A mass M is connected by a thread wound on a uniform conducting disc of radius L. The disc rotates about a fixed horizontal axis in a uniform magnetic field B and is connected to resistance R as shown. Find the terminal speed of the mass.
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A mass M is connected by a thread wound on a uniform conducting disc of radius L. The disc rotates about a fixed horizontal axis in a uniform magnetic field B and is connected to resistance R as shown. Find the terminal speed of the mass.
Options