Given below are two statements: Statement (I): If the gain margin is negative, this gives the decibel rise in open-loop gain which is theoretically permissible without oscillation. Statement (II): For a multistage amplifier, if the open-loop loop gain |βA| is unity when the phase shift is 180°, then the closed-loop amplifier will oscillate. In the light of the above statements, choose the correct option:

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Physics · Feedback Amplifiers and Oscillators

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Statement (I) is false but Statement (II) is true

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Answer 1

Statement (I) is false but Statement (II) is true

Answer 2

Statement (I) is true but Statement (II) is false

Answer 3

Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I)

Answer 4

Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)

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