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A power amplifier has comparatively ____________ β.

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A power amplifier has comparatively ____________ β.

(a) Small

(b) Large

(c) Very large

(d) Same

I have been asked this question in unit test.

My question is from Class A Output Stage in chapter Differential and Multistage Amplifiers of Electronic Devices & Circuits

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Correct answer is (a) Small

Explanation: A power amplifier has relatively small gain β, As compared to voltage amplifier. Both current and voltage amplifiers have greater gain as compared to power amplifiers. Power amplifies handle large signals as compared to voltage amplifiers. Power amplifiers have the following stages- A, B, C, D, AB.

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