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If a charge q is placed at the centre of...

If a charge q is placed at the centre of imaginary sphere of radius r then the N.E.I. at a point on such a sphere is

A

`(4pir^(2))/q`

B

`q/(4pir^(2))`

C

`in_(0)kE`

D

both 'b' and 'c'

Text Solution

Verified by Experts

The correct Answer is:
D
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