AIPMT PRELIMS2001Physics-Electrostatics
AIPMT PRELIMS 2001 Physics Capacitors MCQ Question
Type: MCQ-numerical-Medium-Class 12
Energy per unit volume for a capacitor having area A and separation d kept at potential difference V is given by : -
A
1/2 ε₀ V²/d²
B
1/2ε₀ V²/d²
C
1/2 CV²
D
Q²/2C
Correct Answer
Option A
Detailed Explanation
The energy density (energy per unit volume) in a capacitor is given by u = 1/2 ε₀ E², where E = V/d. Therefore, u = 1/2 ε₀ (V/d)² = 1/2 ε₀ V²/d².
Found an issue with this question?