Computer Programming MCQs Electrical Engineering Mcqs
Q An amplifier without feedback has a voltage gain of 50,input resistance os 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current-shunt negative feedback amplifier using the above amplifier with a feedback factor of 0.2 is___________?
  • A A. 1/11kω
  • B B. 1/5kω
  • C C. 5kω
  • D D. 11kω
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