Question

If ZS=RS+jXS, ZL=RL, then condition for maximum power to be transferred is? (a) RL=|ZS| (b) RL=ZS (c) RL=-|ZS| (d) RL=-ZS This question was addressed to me in exam. My question is based upon Maximum Power Transfer Theorem 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

Right choice is (a) RL=|ZS| To explain I would say: If ZS=RS+jXS, ZL=RL, then condition for maximum power to be transferred is RL=|ZS| that is maximum power is transferred when the load resistance is equal to the magnitude of the source impedance.