A rigid circular loop of radius `r` and mass `m` lies in the `XY-` plane of a flat table and
Channel: Doubtnut
Date: 2020-02-16

A rigid circular loop of radius `r` and mass `m` lies in the `XY-` plane of a flat table and has a current `I` flowing in it. At this particular place. The Earth\'s magnetic field `vec(B)=B_(x)i+B_(z)k`. The value of `I` so that the loop starts tilting is `:`