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For two coils inductively coupled, the mutual inductance is 1.9 H. The current through primary changes by 6 A in 1 ms. The induced e.m.f. is |
11.4 mV 11.4 V 11.4 kV 1.14V |
11.4 kV |
$ \xi = M\frac{\Delta I}{\Delta t}= 1.9\times \frac{6}{10^{-3}} = 11.4KV$ |
