AIPMT PRELIMS2008Physics-Electrostatics
AIPMT PRELIMS 2008 Physics Capacitance MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The energy required to charge a parallel plate condenser of plate separation d and plate area of cross-section A such that the uniform electric field between the plates is E, is :
A
ε₀E² Ad
B
1/2 ε₀E² Ad
C
1/2 E²/Ad
D
ε₀E²/Ad
Correct Answer
Option A
Detailed Explanation
The energy stored in a capacitor is given by U = 1/2 ε₀E² Ad, where E is the electric field.
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