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A neutral conducting spherical shell is kept near a charge `q` as shown .The potentilal at point `P` due to the induced charge is

A

`(kq)/(r)`

B

`(kq)/(r')`

C

`(kq)/(r)-(kq)/(r')`

D

`(kq)/(CP)`

Text Solution

Verified by Experts

The correct Answer is:
C

`V_(P) = (ka)/(r') +V_("in") = V_(C) = (kq)/(r)`
`rArr V_("in")=(kq)/(r)-(kq)/(r)`.
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