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A non conduction ring of radius R Has u...

A non conduction ring of radius R Has uniformly distributed positive charge ` Q.A` small part of the ring of length d, is removed (`d ltlt R`) . The electric field at the center of the ring now be .

A

directed towards the gap, inversely proportional to `R^3.`

B

directed towards the gap, inversely proportional to `R^2`.

C

directed away from the gap, inversely proportional to `R^3`.

D

directed away from the gap, inversely proportional to `R^2`.

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The correct Answer is:
A
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