Question

Determine the thevenin’s voltage in the circuit shown below. (a) 18∠146.31⁰ (b) 18∠-146.31⁰ (c) 19∠146.31⁰ (d) 19∠-146.31⁰ I got this question in an online interview. This question is from Thevenin’s Theorem in division 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

The correct option is (a) 18∠146.31⁰ The best I can explain: The voltage across (-j4) Ω resistor is = (5∠90^o)/((2+j2)) (-j4) = 7.07∠-45^o V. The voltage across ‘ab’ = -10∠0^o+5∠90^o-7.07∠-45^o=18∠146.31^o V.