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A pair of adjacent coils has a mutual in...

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 in flux linkage with the other coil?

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Change of flux for small change in current
`dphi=Md_1=1.5(20-0)` weber =30 weber
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