question_answer

An infinitely long conductor is bent into a circle as shown in figure. It carries a current / ampere and the radius of loop is R metre. The magnetic induction at the centre of loop is :

A) \[\frac{{{\mu }_{0}}}{4\pi }\frac{2I}{R}(\pi +1)tesla\]      

B) \[\frac{{{\mu }_{0}}}{4\pi }\frac{2I}{R}(\pi -1)tesla\]

C) \[\frac{{{\mu }_{0}}}{4\pi }\frac{I}{2R}(\pi +1)tesla\]      

D)  zero