Physics · Feedback Amplifiers

The output impedance of a voltage-series feedback amplifier is 10 Ω. If the gain of the basic amplifier is 100 and the feedback fraction is 0.01, what is the output impedance without feedback?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

20 Ω

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The output impedance of a voltage-series feedback amplifier is 10 &Omega;. If the gain of the basic amplifier is 100 and the feedback fraction is 0.01, what is the output impedance without feedback?