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A straight conductor carrying a current ...

A straight conductor carrying a current I, is split into a circular loop of radius r as shown in the figure. The fied at the centre O of the circle, in tesla is

A

`(prop_(0)I)/(2r)`

B

`(mu_(0)I)/(2pir)`

C

`(mu_(0)I)/(pir)`

D

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Text Solution

Verified by Experts

The correct Answer is:
D
Field due to the upper and lower semicircles will cancel out.
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