Physics · Electrostatics
A total charge 'Q' is uniformly distributed throughout a solid insulating sphere of radius 'a'. The electric field intensity E at any point r < a is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Qr4πε0r2 r̂
- 2Q4πε0a2 r̂
- 3Qr4πε0a3 r̂✓
- 4Qr24πε0a2 r̂
Correct answer
Qr4πε0a3 r̂
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