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Question: Answered & Verified by Expert
In the shown figure, the charge appearing on the conducting shell (grounded) of Radius R, when a point charge q is kept at a distance of d from the centre of the sphere is:

PhysicsElectrostaticsNEET
Options:
  • A q
     
  • B qd r
  • C - qr d
  • D 0
Solution:
2191 Upvotes Verified Answer
The correct answer is: - qr d
The net potential on the surface of earthed conductor is zero.



∴             V = q 0 4 π ε 0 r + q 4 π ε 0 d = 0

∴             q 0 = - qr d

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