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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.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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9V ww R1 3002 www R2 5002 ww R3 40 02 4V #06 BAT1 9 V 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.
Transcribed Image Text:9V ww R1 3002 www R2 5002 ww R3 40 02 4V #06 BAT1 9 V 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.
(b) You construct 4 resistors with the following specification: R1 is made out a 117 meters of aluminum wire with a diameter of 0.500 mm. R2 is made out of 111 meters of copper wire with a diameter of 0.500 mm. R3 is made out a 74.1 meters of copper wire with a diameter of 0.500 mm. R4 is made out an unknown length of aluminum wire 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 of AV = 7.07 V and the resistor R4 has a voltage drop of 1.93 V. What is the length of the wire used to make R4? 9.00V R1 1.93 0.00V +1+ BAT1 9 V R2 R3 ww R4
Transcribed Image Text:(b) You construct 4 resistors with the following specification: R1 is made out a 117 meters of aluminum wire with a diameter of 0.500 mm. R2 is made out of 111 meters of copper wire with a diameter of 0.500 mm. R3 is made out a 74.1 meters of copper wire with a diameter of 0.500 mm. R4 is made out an unknown length of aluminum wire 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 of AV = 7.07 V and the resistor R4 has a voltage drop of 1.93 V. What is the length of the wire used to make R4? 9.00V R1 1.93 0.00V +1+ BAT1 9 V R2 R3 ww R4
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