Networks Analysis and Synthesis - Engineering

Q1:

With Is disconnected I = - 1, when Is = b is connected, the value of I will become

A 2 A

B -1 A

C 1 A

D 3 A

ANS:C - 1 A

I = -1 when Vs connected, when Is is open let find current in 2Ω resistor when V is shorted and I is connected. then I = -1 + 2 1 A.