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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A wire is wrapped N times over a solid sphere of mass m which is placed on a smooth horizontal surface. A horizontal magnetic field of induction B is present. Find the (a) torque (b) angular acceleration experienced by the sphere

A wire is wrapped N times over a solid sphere of mass m which is placed on a smooth horizontal surface. A horizontal magnetic field of induction B is present. Find the (a) torque (b) angular acceleration experienced by the sphere

so that the plane of the wire coil contains the long central axis of the cylinder. The figure shows a wood cylinder of mass m and length L with N turns of wire wrapped around it longitudinally