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If source impedance is complex, then maximum power transfer occurs when the load impedance is _______ the source impedance.(a) equal to(b) negative of(c) complex conjugate of(d) negative of complex conjugate ofI have been asked this question in an interview for internship.The origin of the question is Maximum Power Transfer Theorem topic in section Useful Theorems in Circuit Analysis of Network Theory

Answer»

The correct choice is (c) complex conjugate of

To explain I would say: The MAXIMUM power transfer theorem can be APPLIED to complex IMPEDANCE circuits. If source impedance is complex, the maximum power transfer occurs when the LOAD impedance is complex conjugate of the source impedance.



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