26. Capacitors & Dielectrics
Energy Stored by Capacitor
4:22 minutes
Problem 24.93
Textbook Question
Textbook QuestionThe potential energy stored in a capacitor can be written as either CV²/2 or Q²/2C. In the first case the energy is proportional to C; in the second case the energy is proportional to 1/C.
(a) Explain how both of these equations can be correct.
(b) When might you use the first equation and when might you use the second equation?
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