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Analog ElectronicsFeedback Amplifiers

In voltage-series negative feedback, the output resistance generally?

  • AIncreases
  • BDecreases
  • CBecomes infinite
  • DAlways equals input resistance
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Correct Answer: B. Decreases
Explanation: Voltage sampling with negative feedback generally lowers the closed-loop output resistance.
Reference: Standard analog electronics: feedback amplifiers
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