A parallel-plate capacitor has fixed charges and The
Chapter 17, Problem 56(choose chapter or problem)
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 d to The area of each plate is A.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer