15. One design challenge for a capacitor-powered electric car is that the voltage would change with time as the capacitors dis- charged. If the capacitors in a car were discharged to half their initial voltage, what fraction of energy would still be left? A. 75% B. 67% C. 50% D. 25%

15. One design challenge for a capacitor-powered electric car is that the voltage would change with time as the capacitors dis- charged. If the capacitors in a car were discharged to half their initial voltage, what fraction of energy would still be left? A. 75% B. 67% C. 50% D. 25%

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter25: Surge, Spike, And Lightning Protection

Section: Chapter Questions

Problem 10RQ: In reference to the load, how are capacitors connected to help prevent voltage spikes and surges?...

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Question

#15:

15. One design challenge for a capacitor-powered electric car is
that the voltage would change with time as the capacitors dis-
charged. If the capacitors in a car were discharged to half their
initial voltage, what fraction of energy would still be left?
A. 75%
C. 50%
B. 67%
D. 25%

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