Field Effect Transistors (FET) - Technical MCQs

Q1:

When VGS = 0 V, a JFET is:

A saturated

B an analog device

C an open switch

D cut off

ANS:A - saturated

OPTION is A, As JFET is depletion type only, and drian current Id=idss(1-Vgs/Vp), when Vgs=0V, Id will be maximum, so it will be in saturation mode.