Networks Analysis and Synthesis - Engineering

Q1:

A resistance and an inductance are connected in parallel and fed from 50 Hz ac mains. Each branch takes a current of 5 A. The current supplied by source is

A 10 A

B 7.07 A

C 5 A

D zero

ANS:B - 7.07 A

The current is 5 - j5 = 52 + 52 = 7.07 A.