Question

In the circuit shown below. Determine the power dissipated in 3Ω resistor. (a) 7.77 (b) 8.77 (c) 9.77 (d) 10.77 The question was asked by my school principal while I was bunking the class. The question is from Nodal Analysis topic 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

Correct choice is (b) 8.77 Best explanation: Current in 3Ω resistor I3 = (-20∠30^o+16.27∠18.91^o)/3=1.71∠-112^o. Power dissipated in 3Ω resistor P=I3^2 R=1.71^2×3=8.77W.