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A circular coil with area $A$ and resistance $R$ is placed in uniform magnetic field of magnitude $B$ . The plane of the coil is initially perpendicular to $B$ . The coil is rotated by an angle $θ$ about a diameter and charge $Q$ flows through it. Find the relation between the charge $Q$ and change in flux through coil.
Repeat the above problem if the plane of coil is initially parallel to magnetic field.

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