Appeared in: 2024 (3 sets)
Assertion (A) : The torque acting on a current carrying coil is maximum when it is suspended in a radial magnetic field.
Reason (R) : The torque tends to rotate the coil on its own axis.
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Official Evaluation Steps & EL10 Insight
$$\tau = NIAB \sin\theta$$
where $\theta$ is the angle between the normal to the plane of the coil (area vector $\vec{