Question

A coil of inductance 8.4 mH and resistance 6 Ω is connected to a 12 V battery. The
current in the coil is 1.0 A at approximately the time
a. 500 s b. 20 s c. 35 s d. 1 s

Answer 1

A coil of inductance 8.4 mH and resistance 6 Ω is connected to a 12 V battery. The current in the coil is 1 A at approximately the time 1 ms {option d}