Question

Find the maximum power delivered by the source in the following circuit. (a) 96.6 (b) 97.6 (c) 98.6 (d) 99.6 I had been asked this question in an international level competition. My doubt stems from Maximum Power Transfer Theorem in section Useful Theorems in Circuit 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 answer is (c) 98.6 Easy explanation: ZT = RS – j5+ RL = 2-j5+20 = 22.56∠-12.8⁰Ω. I=VS/ZT = -50∠0⁰/22.56∠-12.8⁰ = 2.22∠-12.8⁰A. P = I^2R = (2.22)^2×20 = 98.6W.