The output Resistance of the circuit if M1 and M2 are identical and have same transconductance gm (gm≫1) is [r01 and r02 are the output resistance of M1 and M2 respectively.]
\(\left( {{r}_{02}}\gg \frac{1}{{{g}_{m2}}} \right)\)
1
r01
2
r02
3
2r01
4
2r02