Networks Analysis and Synthesis - Engineering

Q1:

In the circuit shown in figure, Is = 4A, Vs = 4, the voltage V is given by

A 6 V

B 8 V

C 4 V

D 2 V

ANS:A - 6 V

Using superposition theorem, when Is = 0, v1 = 2 volt, when Vs = 0, current is 2A in 2Ω, so voltage  2 x 2 = 4 volt.  Net  2 + 4 = 6 volt.