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ch20-h2-problems-4

# ch20-h2-problems-4 - yoon(jey283 ch20-h2 turner(56545 1...

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yoon (jey283) – ch20-h2 – turner – (56545) 1 This print-out should have 22 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001(part1of7)10.0points Consider the two circuits depicted in the figure below. In circuit 1, ohmic resistor R 1 dissipates 6 . 2 W; in circuit 2, ohmic resistor R 2 dissipates 21 . 3 W. The wires and bat- teries have negligible resistance. The circuits contain 10 V batteries. R 1 10 V Circuit 1 R 2 10 V Circuit 2 What is the resistance of R 1 ? Answer in units of Ω 002(part2of7)10.0points What is the resistance of R 2 ? Answer in units of Ω 003(part3of7)10.0points Resistor R 1 is made of a very thin metal wire that is 4 mm long, with a diameter of 0 . 1 mm. What is the electric field inside this metal resistor? Answer in units of V / m 004(part4of7)10.0points The same resistors are used to construct cir- cuit 3 as in the figure below, using the same 10 V battery as before. R 1 10 V R 2 Circuit 3 Which of the following graphs of potential versus location is correct? 1. Potential 10 V R 1 R 2 2. Potential 10 V R 1 R 2 3. Potential 10 V R 1 R 2

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yoon (jey283) – ch20-h2 – turner – (56545) 2 4. Potential 10 V R 1 R 2 5. Potential 10 V R 1 R 2 6. Potential 10 V R 1 R 2 005(part5of7)10.0points Of the following diagrams, which indicates the correct surface charge distribution of +’s and - ’s on the circuit?
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ch20-h2-problems-4 - yoon(jey283 ch20-h2 turner(56545 1...

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