Exercise 10.5 A small coil has a self-inductance of 10 μH. A sinusoidal current of amplitude 0.1 A and frequency 1
kHz passes through the coil. (a) Calculate the emf measured on the coil. (b) What is the voltage if frequency changes to
100 kHz? (c) Calculate the emf at 1 kHz for a 10 mH coil.