Coil 1 has l1 47 mh and n1 104 turns coil 2 has l2 68 mh, Ask an Expert

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Coil 1 has L1 = 47 mH and N1 = 104 turns. Coil 2 has L2 = 68 mH and N2 = 215 turns. The coils are fixed in place; their mutual inductance M is 5.8 mH. A 9.4 mA current in coil 1 is changing at the rate of 7.3 A/s.

(a) What magnetic flux %u03A612 links coil 1, and

(b) what self-induced emf appears in that coil?

(d) what mutually induced emf appears in that coil?

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