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Analog Electronics - Engineering

Q1:

The input differential stage of op-amp. 741 is baised at about 10 μA current such a low current of the input stage gives
  1. high CMRR
  2. high differential gain
  3. low differential
  4. high input impedance
Which of these are correct?

A 1 and 2

B 1, 2 and 4

C 3 and 4

D 1, 2, 3 and 4

ANS:B - 1, 2 and 4

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