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A circular ring of radius r carries a ch...

A circular ring of radius r carries a charge Q uniformly spread on it. A small length dl is cut off. Find the electric field at the centre due to the remaining wire.

A

`Q/(4 pi epsilon_(0)r^(2))`

B

`(Qdl)/(4pi^(2)epsilon_(0)r^(3))`

C

`(Qdl)/(8pi^(2)epsilon_(0)r^(2))`

D

`(Qdl)/(8pi^(2)epsilon_(0)r^(3))`

Text Solution

Verified by Experts

The correct Answer is:
D
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