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 paperB. is directed out of the paperC. has magnitude `(mu_(0)i)/(2r)(1-1/(pi))`D. has magnitude `(mu(0)i)/(2r)(1+1/(pi))`

A long straight conductor carrying a current `i` is bent to form an al

1.	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 paperB. is directed out of the paperC. has magnitude `(mu_(0)i)/(2r)(1-1/(pi))`D. has magnitude `(mu(0)i)/(2r)(1+1/(pi))`
Answer» Correct Answer - B::C

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