Work and Energy in a Capacitor
A parallel-plate capacitor with plate area A and separation d stores energy U. While a constant potential difference is maintained across the capacitor, the plates are pulled apart to a separation of 2d. What is the work done against the electric force during this process?
A
0
B
2U
C
U
D
U/2
Question Leaderboard
Not enough data yet to show leaderboard.