Physics · Electrostatics
A charge Q is distributed over two concentric conducting thin spherical shells of radii r and R (R > r). If the surface charge densities on the two shells are equal, the electric potential at the common centre is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 114πε0 × (2R + r)QR2 + r2
- 214πε0 × (R + r)2Q2(R2 + r2)
- 314πε0 × (R + r)QR2 + r2✓
- 414πε0 × (R + 2r)Q2(R2 + r2)
Correct answer
14πε0 × (R + r)QR2 + r2
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