Networks Analysis and Synthesis - Engineering

Q1:

Two sinusoidal voltage sources v1 = 50 sin (100t) and v1 = 50 sin (100t + p) are connected in parallel and fed an inductance XL = 2Ω. The cuirent through XL is

A 25 A

B about 17.5 A

C zero

D 50 A

ANS:C - zero

Since voltages have a phase difference of 180°, current is zero.