Question

Two coils A and B having 500 and 3000 turns respectively wound on same iron core. A current of 5A through coil A produces a flux of 600mu wb in the core. If this current is reversed in 0. 02S, calculate the average e. m. f. induced in coils A and B.
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Answer 1

Answer:

the magnetic flux are linked in the ratio a/b=Na/Nb

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