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A long straight conductor carrying a cur...

A long straight conductor carrying a current `i` is bent to form an almost complete circular loop of radius `r` on it. The magnetic field at the centre of the loop

A

is directed into the paper

B

is directed out of the paper

C

has magnitude `(mu_(0)i)/(2R)(1-(1)/(pi))`

D

has magnitude `(mu_(0)i)/(2R)(1+(1)/(pi))`

Text Solution

Verified by Experts

The correct Answer is:
A,C
`B(mu_(0)I)/(2piR)ox+(mu_(0)I)/(2R)o.`
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