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 CMRR2. high differential gain3. low differential4. high input impedance Which of these are correct?

The input differential stage of op-amp. 741 is baised at about 10 μA

1.	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 CMRR2. high differential gain3. low differential4. 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
Answer» C. 3 and 4