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A non conducting ring of radius r has charge Q. A magnetic field is acting perpendicular to the plane of the ring and is changing at a rate of dB/dt . The torque expirienced by the ring is

Answer» A non conducting ring of radius r has charge Q. A magnetic field is acting perpendicular to the plane of the ring and is changing at a rate of dB/dt . The torque expirienced by the ring is


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