(II) A parallel-plate capacitor has fixed charges +Q and
Chapter 17, Problem 56P(choose chapter or problem)
(II) A parallel-plate capacitor has fixed charges and . The separation of the plates is then halved. (a) By what factor does the energy stored in the electric field change? (b) How much work must be done to reduce the plate separation from to \(\frac{1}{2} d\)? The area of each plate is .
Equation transcription:
Text transcription:
frac{1}{2} d
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