CSIR NET
Sharanya Asked a Question
April 9, 2021 10:08 pmpts 30 pts
  • CSIR NET
  • Physical Sciences

37. an amplifier has a voltage gain of 500 and an input impedance 20 ka without any feedback. now a negative feedback with b- 0.1 is applied. ts gain and input

37. An amplifier has a voltage gain of 500 and an input impedance 20 ka without any feedback. Now a negative feedback with B- 0.1 is applied. ts gain and input impedance with feedback will respectively be (A) 9.8 and 392 (B) 9.8 and 1020 k (C) 50 and 1020 (D) 50 and 2 kQ
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  • Lekhika thankyou
    kindly see attached file for solution.
    • cropped1345361682825062047.jpg
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