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Power amplifiers handle ____________ signals compare to voltage amplifiers

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Power amplifiers handle ____________ signals compare to voltage amplifiers

(a) small

(b) large

(c) very small

(d) equal

I got this question in an internship interview.

Origin of the question is Class A Output Stage topic in division Differential and Multistage Amplifiers of Electronic Devices & Circuits

1 Answer

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Best answer
The correct choice is (b) large

Best explanation: The Small Signal Amplifier is generally referred to as a “Voltage” amplifier because they usually convert a small input voltage into a much larger output voltage. Although the amplification is high the efficiency of the conversion from the DC power supply input to the AC voltage signal output is usually poor.

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