Question

A coil has 200 turns and area of 70 cm2. The magnetic field perpendicular to the plane of the coil is 0.3 Wb/m² and take 0.1 sec to rotate through 180°. The value of the induced e.m.f. will be(a) 8.4 V(b) 84 V(c) 42 V(d) 4.2 V

Answer 1

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A coil has 200 turns and area of 70 cm2. The magnetic field perpendicular to the plane of the coil is 0.3 Wb/m² and take 0.1 sec to rotate through 180°. The value of the induced e.m.f. will be

(a) 8.4 V

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