Assertion (A): The deflecting torque acting on a current carrying loop is zero when its plane is perpendicular to the direction of magnetic field.…

Assertion (A) : The deflecting torque acting on a current carrying loop is zero when its plane is perpendicular to the direction of magnetic field. Reason (R) : The deflecting torque acting on a loop of magnetic moment $\displaystyle \vec{m}$ in a magnetic field $\displaystyle \vec{B}$ is given by the dot product of $\displaystyle \vec{m}$ and $\displaystyle \vec{B}$.