AIIMS2009Physics-Electrostatics
AIIMS 2009 Physics Conductors and Insulators MCQ Question
Type: MCQ-numerical-Hard-Class 12
A conducting sphere of radius R carrying charge Q lies inside an uncharged conducting shell of radius 2R. If they are joined by a metal wire, the amount of heat that will be produced is:
A
1 / (4πε₀) * Q² / 4R
B
1 / (4πε₀) * Q² / 2R
C
1 / (4πε₀) * Q² / R
D
1 / (4πε₀) * Q² / 3R
Correct Answer
Option A
Detailed Explanation
The capacitances of two arc are C1 = 4πε0 R and C2 = 4πε0 (2R).
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