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Eamcet Physics
2 nd Year : Unit 4.2 ( Alternating Current ) - Electromagnetic Induction

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A wheel with 10 metallic spokes each 0.5m long is rotated with a speed of 120 rev/min in a plane normal to the earth’s magnetic field at the place If the magnitude of the field is 0.4 G, the induced e.m.f. between the axle and the rim of the wheel equal to

A. 1.256 x 10^–3 V

B. 6.28 x 10^–4 V

C. 1.256 x 10^–4V

D. 6.28 x 10^–5 V

E. None of the above

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Correct choice: D

Explanation:

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Eamcet Physics 2 nd Year : Unit 4.2 ( Alternating Current ) - Electromagnetic Induction

Eamcet Physics
2 nd Year : Unit 4.2 ( Alternating Current ) - Electromagnetic Induction