The expression for the torque acting on a coil having area of crosssection `A`, number
Channel: Doubtnut
Date: 2020-08-30

The expression for the torque acting on a coil having area of crosssection `A`, number of turns `n`, placed in a magnetic field of strength `B`, making an angle `theta` with the normal to the plane of the coil, when a current `i` is flowing in it, will be