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A pair of circular coils each having 50 turns of radius 50 cm are separated by 50 cm. A current of 10 A passes through the coils which are connected in series. Midway between the coils, a flat metal disc of radius 10 cm, is revolving at 1000 rpm What is the emf generated between the centre and the rim of the disc(n0 = 4pix10^(-7) H/m)? |
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