ch20-h3-problems-3

ch20-h3-problems-3 - yoon(jey283 ch20-h3 turner(56545 001...

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yoon (jey283) – ch20-h3 – turner – (56545) 1 This print-out should have 7 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 10.0 points A 0 . 2 μ ± capacitor is given a charge Q 0 . AFter 2 s, the capacitor’s charge is 0 . 5 Q 0 . What is the e²ective resistance across this capacitor? Answer in units oF MΩ 002 (part 1 of 2) 10.0 points A 12 V automobile battery is connected to an electric starter motor. The current through the motor is 230 A. How much power does the motor dissipate? Answer in units oF W 003 (part 2 of 2) 10.0 points How much energy does the battery deliver to the motor during a 10 . 5 s period? Answer in units oF J 004 10.0 points Your toaster oven and co²eemaker each dissi- pate 1000 W oF power. You have a 114 V line in your kitchen. ±or what current must the circuit breaker
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