Question
Rate of change of torque $\tau$ with deflection $q$ is maximum for a magnet suspended freely in a uniform magnetic field of induction $B$, when(a) $\theta=0^{-}$(b) $\theta=45$ "(c) $\theta=60^{-}$(d) $\theta=90^{-}$
Step 1
Step 1: The torque $\tau$ on a magnet of magnetic moment $M$ in a uniform magnetic field of induction $B$ is given by the formula $\tau = MB\sin\theta$, where $\theta$ is the angle between $M$ and $B$. Show more…
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