Physics · Electrostatics
Three concentric spherical metallic shells X, Y, and Z of radii a, b, and c respectively (a < b < c) have surface charge densities σ, -σ, and σ respectively. If shells X and Z are at the same potential, and the radii of X and Y are 2 cm and 3 cm respectively, then the radius of shell Z is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 17 cm
- 26 cm
- 35 cm✓
- 44 cm
Correct answer
5 cm
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