A solid cylinder of mass m, length l and radius r, is placed on two horizontal parallel rails of separation l. The cylinder carries a constant current i. A uniform magnetic field ~b , directed vertically upwards, is switched on. After travelling a distance a, its speed is (assume rolling without slipping)
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A solid cylinder of mass m, length l and radius R, is placed on two horizontal parallel
rails of separation l. The cylinder carries a constant current i. A uniform magnetic field
B~ , directed vertically upwards, is switched on. After travelling a distance a, its speed is
(assume rolling without slipping)
Explanation:
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