railway RRB JE (CBT I + CBT II) Mock Test 2024 Physics Capacitance Energy Stored in an Electric Field
The work done in charging a capacitor is equal to? ('Q' is magnitude of charge on each plate of the capacitor between which the potential difference is 'V')
1
V2 / 2Q
2
Q / 2V
3
QV / 2
4
V2 / Q