A wire of length L  carrying current I is bent into a circle of one turn. The field at the center
Channel: Doubtnut
Date: 2020-08-23

A wire of length L  carrying current I is bent into a circle of one turn. The field at the center of the coil is B1. A similar wire of length L carrying current I is bent into a square of one turn. The field at its center is B2. Then   (1) `B_(1) gt B_(2)`   (2) `B_(1) = B_(2)`   (3) `(B_(1))/(B_(2))=2`   (4) `B_(1) lt B_(2)`