1.

In AC networks, maximum power is delivered when__________(a) ZL*ZS*=0(b) ZL+ZS*=1(c) ZL=-ZS*(d) ZL=ZS*I have been asked this question in an international level competition.The doubt is from Maximum Power Transfer and Superposition topic in chapter Techniques of Circuit Analysis of Electric Circuits

Answer» CORRECT choice is (d) ZL=ZS*

Explanation: Max power is delivered when LOAD IMPEDANCE equals COMPLEX CONJUGATE of the source impedance.


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