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An unchanged conducting sphere of radius...

An unchanged conducting sphere of radius R is placed near a uniformly charge ring of radius R. Total charge on ring is Q. The centre of sphere lies on axis of ring and distance of centre of sphere from centre of ring is R

A

Potential at centre of ring is `(KQ)/(R)`

B

Potential at centre of ring is `(KQ)/(sqrt(2)R)`

C

Potential at centre of ring due to conducting sphere is zero

D

Potential at centre of conducting sphere is `(KQ)/(sqrt(2) R)`

Text Solution

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The correct Answer is:
B, D
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