A long wire carries a steady current , it is bent into a circle of one – InterviewSolution

1.	A long wire carries a steady current , it is bent into a circle of one turn and magnetic field at center of coil is B. It is then bent into a circular loop of n turns. The magnetic field at center of coil will be?
Answer» A long wire carries a steady current , it is bent into a circle of one turn and magnetic field at center of coil is B. It is then bent into a circular loop of n turns. The magnetic field at center of coil will be?

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