JEE Advanced 2020 Concept Recapitulation Test 4 Paper 1

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Question : 7 of 54

Marks: +1, -0

A point q is placed outside an uncharged conducting sphere as shown in the figure. Then:

The potential of the sphere is zero.
The potential of the sphere is ‌
kq
r
If the sphere is earthed charge appearing on its surface is ‌
R
r
(−q)
If the sphere is earthed charge appearing on its surface is ‌
r
R
(−q)

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