Question:
Two concentric conducting spherical shells A and B having radii rA and rB (rB>rA) are charged to +2q and -q respectively. The electric field along a line passing through the centre is
Two concentric conducting spherical shells A and B having radii rA and rB (rB>rA) are charged to +2q and -q respectively. The electric field along a line passing through the centre is
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For concentric shells, analyze region-wise using Gauss’s law.
Updated On: Mar 20, 2026
- Option a
- Option b
- Option c
- Option d
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Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Use Gauss’s law for different regions.
Step 2: - Inside shell A: E=0 - Between A and B: field due to +2q - Outside both shells: net charge = +q
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