The given material MgO has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator. Concept introduction: Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors. n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band. p-type: This is a type of doped semiconductor in which holes are present in valance band. Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap. Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel. Figure 1

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Answer 1

Question

Chapter 21, Problem 21.119CHP

(a)

Interpretation Introduction

Interpretation:

The given material MgO has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

h

(b)

Interpretation Introduction

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(c)

Interpretation Introduction

Interpretation:

The given material white tin has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(d)

Interpretation Introduction

Interpretation:

The given material germanium doped with gallium has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(e)

Interpretation Introduction

Interpretation:

The given material stainless steel has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in conduction band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

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(a) What change occurs when AgCl is doped with CdCl2?(b) What type of semiconductor is produced when silicon is doped with boron?

Indicate which of the following statements are true with regard to semiconductors. (a) elemental semiconductors are made of metalloids (b) semiconductors have a band gap that is greater than 3.5 eV (c) doping a semiconductor with a few ppm of a p block element increases the conductivity of that material by a million fold (d) compound semiconductors must contain at least one metalloid element

Identify the following as either p- or n- type semiconductors.(a) germanium doped with arsenic(b) silicon doped with phosphorus(c) germanium doped with indium(d) germanium doped with antimony

Answer 2

Question

Chapter 21, Problem 21.119CHP

(a)

Interpretation Introduction

Interpretation:

The given material MgO has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

h

(b)

Interpretation Introduction

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(c)

Interpretation Introduction

Interpretation:

The given material white tin has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(d)

Interpretation Introduction

Interpretation:

The given material germanium doped with gallium has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(e)

Interpretation Introduction

Interpretation:

The given material stainless steel has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in conduction band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

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Answer 3

Question

Chapter 21, Problem 21.119CHP

(a)

Interpretation Introduction

Interpretation:

The given material MgO has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

h

(b)

Interpretation Introduction

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(c)

Interpretation Introduction

Interpretation:

The given material white tin has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(d)

Interpretation Introduction

Interpretation:

The given material germanium doped with gallium has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(e)

Interpretation Introduction

Interpretation:

The given material stainless steel has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in conduction band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

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Answer 4

Question

Chapter 21, Problem 21.119CHP

(a)

Interpretation Introduction

Interpretation:

The given material MgO has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

h

(b)

Interpretation Introduction

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(c)

Interpretation Introduction

Interpretation:

The given material white tin has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(d)

Interpretation Introduction

Interpretation:

The given material germanium doped with gallium has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(e)

Interpretation Introduction

Interpretation:

The given material stainless steel has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in conduction band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

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Answer 5

Chapter 21, Problem 21.119CHP

(a)

Interpretation Introduction

Interpretation:

The given material MgO has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

h

(b)

Interpretation Introduction

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(c)

Interpretation Introduction

Interpretation:

The given material white tin has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(d)

Interpretation Introduction

Interpretation:

The given material germanium doped with gallium has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

(e)

Interpretation Introduction

Interpretation:

The given material stainless steel has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in conduction band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

Answer 6

Chapter 21, Problem 21.119CHP

(a)

Interpretation Introduction

Interpretation:

The given material MgO has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

Answer 7

Chapter 21, Problem 21.119CHP

(a)

Interpretation Introduction

Interpretation:

The given material MgO has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

Answer 8

h

(b)

Interpretation Introduction

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

Answer 9

h

(b)

Interpretation Introduction

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

Answer 10

(c)

Interpretation Introduction

Interpretation:

The given material white tin has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

Answer 11

(c)

Interpretation Introduction

Interpretation:

The given material white tin has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

Answer 12

(d)

Interpretation Introduction

Interpretation:

The given material germanium doped with gallium has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

Answer 13

(d)

Interpretation Introduction

Interpretation:

The given material germanium doped with gallium has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in valance band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

Answer 14

(e)

Interpretation Introduction

Interpretation:

The given material stainless steel has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in conduction band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

Figure 1

Answer 15

(e)

Interpretation Introduction

Interpretation:

The given material stainless steel has to be classified as a metallic conductor or an n-type semiconductor or a p-type semiconductor and or an insulator.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This is a type of doped semiconductor in which many free electrons are present in conduction band.

p-type: This is a type of doped semiconductor in which holes are present in conduction band.

Insulator: Insulators are one, in which electrons are filled in valence band with a vacant conduction band and they are parted away by band gap.

Conductor: Any material which can conduct electricity is known as conductor. There will be no band gap in metallic conductor and electrons can easily travel.

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Ch. 21.1 - In view of the 3charge on the PO43 ion, explain...Ch. 21.2 - Prob. 21.2P Ch. 21.3 - Prob. 21.3P Ch. 21.4 - Prob. 21.4P Ch. 21.4 - Prob. 21.5CP Ch. 21.5 - Prob. 21.6P Ch. 21.5 - Prob. 21.7CP Ch. 21.6 - Prob. 21.8P Ch. 21.7 - Show that one unit cell of YBa2Cu3O7 (Figure...Ch. 21.8 - Prob. 21.10P

Solution Summary: The author explains that the given material MgO has to be classified as a metallic conductor or an n-type semiconductor. Addition of small amount of impurities increases conductivity of

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