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Name some devices where maximum power has to be transferred to the load rather than maximum efficiency.

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Name some devices where maximum power has to be transferred to the load rather than maximum efficiency.

(a) Amplifiers

(b) Communication circuits

(c) Both amplifiers and communication circuits

(d) Neither amplifiers nor communication circuits

This question was posed to me by my school teacher while I was bunking the class.

Asked question is from Maximum Power Transfer in chapter Network Theorems of Basic Electrical Engineering

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Right choice is (c) Both amplifiers and communication circuits

The best explanation: Maximum power transfer to the load is preferred over maximum efficiency in both amplifiers and communication circuits since in both these cases the output voltage is more than the input.

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