Question

Determine the current I1 in the circuit shown below using mesh analysis. (a) 0.955∠-69.5⁰ (b) 0.855∠-69.5⁰ (c) 0.755∠-69.5⁰ (d) 0.655∠-69.5⁰ I had been asked this question in examination. My question is based upon Mesh Analysis topic 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

Correct option is (b) 0.855∠-69.5⁰ Explanation: The equation for loop 1 is I1(j4) + 6(I1-I2) = 5∠0⁰. The equation for loop 2 is 6(I1-I2) + (j3) I2 + (2) I2 = 0. Solving the above equations, I1 = 0.855∠-69.5⁰.