9VwwR13002wwwR25002wwR340 024V#06BAT19 VR4?QOV(a) The circuit to the left is composed of four resistors and a 9Vbattery. The voltages are specified across each of the resistor so youcan see that the voltage drop across the resistors R1, R2, R3 is5.0 Volts and the voltage drop across resistors is R4 is 4.0 V. UsingOhm's Law and Kirchhoff's Junction Rule determine the value of R4.Notice: The total voltage drop across the sets of resistors adds up tothe total voltage supplied by the battery. This must always be true incircuits. (b) You construct 4 resistors with the followingspecification:R1 is made out a 117 meters of aluminum wirewith a diameter of 0.500 mm.R2 is made out of 111 meters of copper wire witha diameter of 0.500 mm.R3 is made out a 74.1 meters of copper wire witha diameter of 0.500 mm.R4 is made out an unknown length of aluminumwire with a diameter of 0.500 mm.You then arrange the four resistors as shown to the right.The voltages are indicated so that R1 has a voltage drop ofAV = 7.07 V and the resistor R4 has a voltage drop of1.93 V. What is the length of the wire used to make R4?9.00VR11.93 0.00V+1+BAT19 VR2R3wwR4

Since you have asked multiple question, we will solve the first question for you. If you want any…

9V ww R1 3002 ww R2 5002 ww R3 40 02 4V #16 BAT1 9 V ww R4 ?Q OV (a) The circuit to the left is composed of four resistors and a 9V battery. The voltages are specified across each of the resistor so you can see that the voltage drop across the resistors R1, R2, R3 is 5.0 Volts and the voltage drop across resistors is R4 is 4.0 V. Using Ohm's Law and Kirchhoff's Junction Rule determine the value of R4. Notice: The total voltage drop across the sets of resistors adds up to the total voltage supplied by the battery. This must always be true in circuits.

9V ww R1 3002 ww R2 5002 ww R3 40 02 4V #16 BAT1 9 V ww R4 ?Q OV (a) The circuit to the left is composed of four resistors and a 9V battery. The voltages are specified across each of the resistor so you can see that the voltage drop across the resistors R1, R2, R3 is 5.0 Volts and the voltage drop across resistors is R4 is 4.0 V. Using Ohm's Law and Kirchhoff's Junction Rule determine the value of R4. Notice: The total voltage drop across the sets of resistors adds up to the total voltage supplied by the battery. This must always be true in circuits.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 41P: Three 100- resistors are connected as shown in Figure P21.41 The maximum power that can safely be...

See similar textbooks

Similar questions

Consider the circuit shown in Figure P28.21 on page 860. (a) Find the voltage across the 3.00-0 resistor, (b) Find the current in the 3.00-12 resistor.
Draw two graphs of charge versus time on a capacitor. Draw one for charging an initially uncharged capacitor in series with a resistor, as in the circuit in Figure 21.38, starting from t = 0. Draw the other for discharging a capacitor through a resistor, as in the circuit in Figure 21.39, starting at t = 0, with an initial charge Q0. Show at least two intervals of t.
The- pair of capacitors in Figure P28.63 are fully charged by a 12.0-V battery. The battery is disconnected, and the switch is then closed. Alter 1.00 ms has elapsed, (a) how much charge remains 011 the 3.00-F capacitor? (b) How much charge remains on the 2.00-F capacitor? (c) What is the current in the resistor at this time?
Figure P18.26 shows a voltage divider, a circuit used to obtain a desired voltage Vout from a source voltage . Determine the required value of R2 if = 5.00 V, Vout = 1.50 V and R1 = 1.00 103 (Hint: Use Kirchhoff's loop rule, substituting Vout = IR2, to find the current. Then solve Ohms law for R2. Figure P18.26
Figure P29.45 shows five resistors connected between terminals a and b. a. What is the equivalent resistance of this combination of resistors? b. What is the current through each resistor if a 24.0-V battery is connected across the terminals?
A student makes a homemade resistor from a graphite pencil 5.00 cm long, where the graphite is 0.05 mm indiameter. The resistivity of the graphite is =1.38102/m . The homemade resistor is place inseries with a switch, a 10.00-mF capacitor and a 0.50-V power source, (a) What is the BC time constant of the circuit? (b) What is the potential drop across the pencil 1.00 s after the switch is closed?
Three 100- resistors are connected as shown in Figure P21.41 The maximum power that can safely be delivered to any one resistor is 25.0 W. (a) What is the maximum potential difference that can be applied to the terminals a and b? (b) For the voltage determined in part (a), what is the power delivered to each resistor? (c) What is the total power delivered to the combination of resistors?
Figure 21.55 shows how a bleeder resistor is used to discharge a capacitor after an electronic device is shut off allowing a person to work on the electronics with less risk of shock, (a) What is the time constant? (b) How long will it take to reduce the voltage on the capacitor to 0.250% (5% of 5%) of its full value once discharge begins? (c) If the capacitor is charged to a voltage V0through a 100-O resistance, calculate the time it takes to rise to 0.865V0(This is about two time constants.)
Figure P18.26 shows a voltage divider, a circuit used to obtain a desired voltage Vout from a source voltage . Determine the required value of R2 if = 5.00 V, Vout = 1.50 V and R1 = 1.00 103 (Hint: Use Kirchhoff's loop rule, substituting Vout = IR2, to find the current. Then solve Ohms law for R2. Figure P18.26
A circuit contains a D-cell battery, a switch, a 20- resistor, and three 20-mF capacitors. The capacitors are connected in parallel, and the parallel connection of capacitors are connected in series with the switch, the resistor and the battery, (a) What is die equivalent capacitance of the circuit? (b) What is the KC time constant? (c) How long before the current decreases to 50% of the initial value once the switch is closed?
Electric current I enters a node with three resistors connected in parallel (Fig. CQ18.5). Which one of the following is correct? (a) I1 = I and I2 = I3 = 0. (b) I2 I1 and I2 I3. (c) V1 V2 V3 (d) I1 I2 I3 0. Figure CQ18.5