A coil has a self-inductance of 0.04 H. The energy required to establish a steady-state current of 5 A in it is-
A. 0.5 J
B. 1.0 J
C. 0.8 J
D. 0.2 J
Answer:A
A coil has a self-inductance of 0.04 H. The energy required to establish a steady-state current of 5 A in it is-
A. 0.5 J B. 1.0 J C. 0.8 J D. 0.2 J