Q1. A coil of fixed inductance 4.0 H and effective resistance 30 is suddenly connected to a 100 V, DC supply. What is th
Posted: Sun Jul 03, 2022 12:08 pm
Q1. A coil of fixed inductance 4.0 H and effective resistance 30 is suddenly connected to a 100 V, DC supply. What is the rate of energy storage in the field of the coil at each of the following instants: (a) when the current is 1.0 A; (b) when the current is 2.0 A; (c) when the current is at its final steady value? (Ans: 70 W, 80 W, 0)