Question: a) When the current in an induction coil varies from 128 A/s, the f. e.m. of self-inductance is 12 V. What is the self-inductance? b)A

a) When the current in an induction coil varies from 128 A/s, the f. e.m. of self-inductance is 12 V. What is the self-inductance?

b)A resistor and a capacitor are in series with an AC source. The impedance is Z = 10.8 at 390 Hz and Z = 18.8 at 200 Hz. Find R and C.

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