5 A circular coil of mean radius of 7 cm and having 4000 turns is rotated at the rate of 1800 revolutions per minute in the

Question

5 A circular coil of mean radius of 7 cm and having 4000 turns is rotated at the rate of 1800 revolutions per minute in the earth s magnetic field B 0 5 gauss the maximum emf induced in the coil will be 1 0 29 V 2 5 8 V 3 1 158 V 40 58 V

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