7. Calculate the ratio of the resistance of 20.0 m of copper wire 1.8 mm in diameter to 10.0 m of aluminum wire 2.0 mm in diameter, (i.e. Reu = ?) %3D RAL (а) 1.25 Proof : (b) 1.49 (с) 1.56 (d) 1.65 (e) None of the above Write your own answer here:

Q: If Vo= 200V, R1 = 5ohms, R2 = 10ohms, R3= 5ohms, R4 =10ohms, R5 = 12ohms, R6= 10ohms and r = 3ohms,…

A:

Q: 1. Determine the resistance of a 4.00 m length of copper wire having a diameter of 2 mm. Assume the…

A:

Q: How many volts are supplied to operate an indicator light on a DVD player that has a resistance of…

A:

Q: Vhat is the resistance of a wire made of a ma esistivity of 3.2 × 10-8 ength is 22.2 m and its

A: Given values:- The resistivity of wire,(ρ)=3.2 x 10-8 Ω-m ------(1) Length of the wire,(L)=22.2 m…

Q: Of what material is a wire made, if it is 25.0 m long with a 0.100 mm diameter and has a resistance…

A:

Q: 1.5. The resistance of a platinum wire is found to be 11.000 2 at the ice point, 15.247 N at the…

A:

Q: 7.) A gold wire (Paold 2.44 x 10 Qm) has a length of 10 meters and a resistance of 0.5 Q. Determine…

A:

Q: The diameter of a specific copper wire is 8.312 mm, and has a resistivity of 1.72 × 10-8 Ω⋅m   Find…

A: Given value--- diameter of a specific copper wire = 8.312 mm. resistivity = 1.72 × 10-8 Ω⋅m length…

Q: Calculate the resistance of 100-m wire having a cross-sectional area of 0.1mm^2 and made of manganin…

A:

Q: What should be the length and cross-sectional area of a wire for it to have a resistance of 82 from…

A: Solution

Q: A 1 gm of Cu has been deposited on a metal plate when a current of 10 A was used in a copper…

A: mass of copper deposited (m) = 1 gm = 0.001 kgCurrent (I) = 10 A Specific charge of copper = 3×106…

Q: If a certain silver wire has a resistance of 7.902 at 33.0°C, what resistance will it have at…

A: We know that temperature dependence of Resistance is  R = Ro( 1 + alpha ×∆T) The temperature…

Q: Compute the resistance of a 190-m wire made of silver having a cross sectional area of 0.55 mm².…

A: "In the question the value of resistivity of silver is wrong" Resistance of a conductor is directly…

Q: what is the factor for a cabe at 5degree celcius when calculating resistance od a cable? option…

A: Solution: The resistance of wire increases with increasing temperature. The electrical resistance of…

Q: A cylindrical conducting wire which is 342.57cm long,  85.39mm thick and resistivity of 3.13Ω.m,…

A: Answer            1878.517 ohm

Q: 1. Compute the resistance of a hardened copper rod 2 meters long and 8 mm (8 x 10° meters) in…

A: Length= 2m Diameter= 4 mm

Q: 13.4 A rectangular bar of iron is 2.0 cm by 2.0 cm in cross section and 40 cm long. Calculate its…

A:

Q: What is the fractional change in the resistance of an iron filament when its temperature changes…

A:

Q: 1.5. The resistance of a platinum wire is found to be 11.000 N at the ice point, 15.247 2 at the…

A: Given data: R'=R0'1+aθ+bθ2

Q: Calculate the resistance of a 1.2 meter copper wire with a cross-sectional area of 1.0 x 10m?.

A: as per our guidelines we are supposed to answer only one question. Kindly repost other questions as…

Q: Q.3: Find the conductivity, if the resistance is 3 k2, length is 10 m, area is 2 m, and the carrying…

A:

Q: How long does it take 1.00 C of charge to flow through a handheld calculator if a 0.33 mA current is…

A: Electric current can be defined as, I=dQdt, where dQ is the amount of charge flowing through a given…

Q: A wire 3.00 m long and 0.450 mm2 in cross - sectional areahas a resistance of 41.0 Ω at 20.0°C. If…

A:

Q: The diameter of a specific copper wire is 8.396 mm, and has a resistivity of 1.72 × 10-8 Ω⋅m. Find…

A:

Q: > 25.14 •• A wire 6.50 m long with diameter of 2.05 mm has a resist- ance of 0.0290 N. What material…

A: The materials' resistivity is the resistance of a unit area to the current flow. The complete…

Q: 1. Calculate the (a) resistivity and the (b) conductivity of a material that has a length of 15 m…

A: We have to use some basic formula here.

Q: . Calculate the resistivity of 30 m of conducting wire that has a diameter of 0.0035 m and a…

A: Given values: Length of the wire, l=30 m The diameter of the wire, d=0.0035 m Resistance, R=0.50 Ω

Q: What current flows through a 2.58-cm-diameter rod of pure silicon that is 19.0 cm long, when 1.00 ✕…

A: According to question--- Given values--- diameter = 2.58 cm. length of rod = 19 cm. voltage = 103…

Q: 3- The resistance of a copper wire is 3.35 0 at 0 °C. What is its resistance at 50 °C? For copper, a…

A:

Q: Calculate the resistance of a copper wire with a diameter of 2.5968 mm having a length of 1000 m at…

A: The resistance of a conductor made of a certain material is directly proportional to the length of…

Q: 2. Find the ratio of the diameter of aluminium to copper wire, if they have the resistance per unit…

A: Given:- Both have the same resistance per unit length.  The resistivity of the copper and the…

Q: Digital thermometers often make use of thermistors, a type ofresistor with resistance that varies…

A: Given,

Q: Find the resistance of a cubic centimetre of copper (i) when it is drawn into a wire of diameter…

A: Diameter = 0.32 mm = 3.2 × 10- 4 m Specific resistance of copper wire, ρ = 1.6 × 10-8  Ω-m Volume =…

Q: What should be the cross sectional area of a 443-m long copper wire to have resistance values of 62…

A:

Q: How many volts are supplied to operate an indicator light on a DVD player that has a resistance of…

A: By the ohm's law, the voltage supplied is the product of current flowing through light and…

Q: A certain batch of copper wire was found to have a conductivity of 95.5 pe cent at 20°C. What is its…

A:

Q: A potential difference of 60 V exists between the ends of a wire of length 110 cm. if its diameter…

A: Given in question: Potential difference(V) = 60V…

Q: Calculate the resistance of 100-m wire having a cross-sectional area of 0.1mm^2 and made of manganin…

A:

Q: Find the resistance(in the unit of Ohm) of a Nichrome rod of diameter d=3 mm and has a length L-9 m…

A:

Q: 1) What is the current in milliamperes produced by the solar cells of a pocket calculator through…

A: Current is defined as the rate of flow of charge per unit time, through a cross section of a…

Q: 1. Determine the resistance of a 1609-meter length of 12-gauge copper wire. Given: length = 1609…

A: Given value--- length = 1609 m. diameter = 0.002117 m. resistivity = 1.7 × 10-8 ohm m . We have to…

Q: 13. Suppose you wish to fabricate a uniform wire from 1.00g of copper. If the wire is to have a…

A: Given data: The mass of copper is m=1 g. The resistance of copper is R=0.5 Ω.

Q: What is the resistance of a 18.0-m-long piece of 12.0-gauge copper wire having a 2.053-mm diameter?

A: