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The AC power of output signal is obtained by ___________

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The AC power of output signal is obtained by ___________

(a) Input AC voltage

(b) Input DC voltage

(c) DC biasing voltage

(d) Power is generated by transistor itself

I had been asked this question in unit test.

My doubt is from Introduction to Oscillator in section Oscillators of Analog Circuits

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Best answer
The correct choice is (c) DC biasing voltage

Best explanation: The Ac power of output signal is obtained by DC biasing voltage of amplifier.

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