Question

Find the voltage Vab in the circuit shown below. (a) 21.66∠-45.02⁰ (b) 20.66∠-45.02⁰ (c) 21.66∠45.02⁰ (d) 20.66∠45.02⁰ I have been asked this question in class test. My doubt stems from Nodal Analysis in portion 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

Correct choice is (c) 21.66∠45.02⁰ Easiest explanation: Applying nodal analysis at node ‘a’, (Va-20∠0^o)/(3+2)+(Va-20∠90^o)/(j4+3)=0. On solving, we get Va = 21.66∠45.02⁰V.