GATE EC 2014 Set 1 — Question 16
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Network Theory → Circuit Fundamentals & Theorems → Maximum Power Transfer
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Question
For maximum power transfer between two cascaded sections of an electrical network, the relationship between the output impedance of the first section to the input impedance of the second section is
Correct answer
(C) Z₂ = Z₁^
Solution
According to the Maximum Power Transfer Theorem for AC circuits, maximum power is transferred from a source to a load when the load impedance is the complex conjugate of the source impedance. In this cascaded network, is the output (source) impedance of the first section and is the input (load) impedance of the second section. Therefore, .
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