Question

Find the value V2 in the circuit shown below if the current through (3+j4) Ω is zero. (a) 16∠-262⁰ (b) 17∠-262⁰ (c) 18∠-262⁰ (d) 19∠-262⁰ The question was asked in a national level competition. I would like to ask this question from Mesh Analysis in section 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 answer is (b) 17∠-262⁰ The explanation is: The three loop equations are (4+j3)I1 – (j3)I2 = 20∠0⁰. (-j3)I1 + (3+j2)I2 + (j5)I3 = 0. (j5)I2 + (5-j5)I3 = -V2. The current through (3+j4) Ω is zero, I2 = ∆2/∆ = 0