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A circular ring carries a uniformly dist...

A circular ring carries a uniformly distributed positive charge and lies in the xy plane with center at the origin of the cooredinate system. If at a point (0,0,z) the electric field is E, then which of the following graphs is correct?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
C
The following two arguments shall leads us to right choice.
(i) Electric field at the center of the ring zero.
(ii) Electric field is directed away from the ring.
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