Answered: How long will it take a charged 80 µF…

How long will it take a charged 80 µF capacitor to lose 30% of its initial energy when it is allowed to discharge through a 45 Q resistor?

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 55P

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Question

How long will it take a charged 80 µF
capacitor to lose 30% of its initial energy
when it is allowed to discharge through a
45 Q resistor?
a. 1.28 ms
b. 4.33 ms
c. 0.39 ms
d. 0.64 ms
e. 2.17 ms

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