Networks Analysis and Synthesis - Engineering

Q1:

In figure, the switch is closed at t = 0 when current through inductor is 6 A, the rate of change of current through resistor is 6 A/s. The value of L is

A 1 H

B 2 H

C 3 H

D 4 H

ANS:B - 2 H

i = 18(1 - et/L) = 6; . Therefore, L = 2H.