Electrical Engineering Mcqs

If a copper disc is rotated rapidly below a freely suspended magnetic needle, the magnetic needle shall start rotating with a velocity?

(A)  less than that of disc but in opposite direction

(B)  equal to that of disc and in the same direction

(C)  equal to that of disc and in the opposite direction

(D)  less than that of disc and in the same direction

Submitted By :Ali Uppal

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