Question

Determine the current through (2+j5) Ω impedance considering 50∠0⁰ voltage source. (a) 6.42∠77.47⁰ (b) 6.42∠-77.47⁰ (c) 5.42∠77.47⁰ (d) 5.42∠-77.47⁰ The question was asked during a job interview. I'm obligated to ask this question of Superposition Theorem in chapter Steady State AC Analysis of Network Theory Select the correct answer from above options network theory questions and answers, network theory questions pdf, network theory question bank, network theory gate questions and answers pdf, mcq on network theory pdf, gate network theory questions and solutions, network theory mcq Test , ies network theory questions, Network theory Questions for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)

Answer 1

Right choice is (d) 5.42∠-77.47⁰ The explanation is: According to the superposition theorem the current due to the 50∠0^o source is I1 with the current source 20∠30⁰ A short-circuited. I1 = (50∠0^o)/(2+j4+j5) = 5.42∠-77.47^o A.