Physics · Electrostatics
Three concentric spherical conducting shells of radii r1 < r2 < r3 are arranged such that the innermost shell is earthed (V1 = 0) and the outermost shell is maintained at a potential V0. If the middle shell carries no net charge, the potential V2 of the middle shell is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1V0 (r2 / r3)
- 2V0 (r1 / r3)
- 3V0 r3(r2 - r1)r2(r3 - r1) - r1(r3 - r2)✓
- 4V0 r3(r2 - r1)r2(r3 - r1)
Correct answer
V0 r3(r2 - r1)r2(r3 - r1) - r1(r3 - r2)
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