An infinitely long straight conductor is bent into the shape as shown – McqOptions

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1.	An infinitely long straight conductor is bent into the shape as shown in the figure. It carries a current of i ampere and the radius of the circular loop is r metre. Then the magnetic induction at its centre will be [MP PMT 1999]
A.	\[\frac{{{\mu }_{0}}}{4\pi }\frac{2i}{r}(\pi +1)\]
B.	\[\frac{{{\mu }_{0}}}{4\pi }\frac{2i}{r}(\pi -1)\]
C.	Zero
D.	Infinite
Answer» C. Zero

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