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For ZL = ZS*, the relation between XL and XS is? (a) XL = XS (b) XL = 0 (c) XL = 1 (d) XL = -XS This question was posed to me in class test. The doubt is from Maximum Power Transfer Theorem topic in portion 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)

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Correct choice is (d) XL = -XS Easiest explanation: For ZL = ZS*, the relation between XL and XS is XL = -XS. Maximum power transfer is not always desirable since the transfer occurs at a 50 percent efficiency.

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