Question

 A pair of adjacent coils has a mutual inductance of 1.5 H. If the current in one coil changes from 0 to 20 A in 0.5 s, what is the change of flux linkage with the other coil?

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Answer 1

Explanation:

answer is in the attachment .......

Answer 2

Answer:

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Thus, the change of flux linkage is 30 Wb.