If both the MOSFET’s are identical and have channel length modulati – McqOptions

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1.	If both the MOSFET’s are identical and have channel length modulation, what is the output impedance at node S?
A.	R1 \|\| ro1 \|\| ro2
B.	R1 + (ro1 \|\| ro2)
C.	R1 + (ro1 + ro2)
D.	R1 \|\| (ro1 + ro2)
Answer» B. R1 + (ro1 \|\| ro2)

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