APFIVE Capacitor Stored Energy and Dielectrics
A parallel-plate capacitor with plate area A and separation d is filled with a dielectric of constant κ. If the capacitor is charged to voltage V and then the dielectric is removed while maintaining constant charge, by what factor does the energy stored change?
A
Remains unchanged
B
Increases by a factor of κ²
C
Increases by a factor of κ
D
Decreases by a factor of κ
Question Leaderboard
Not enough data yet to show leaderboard.