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Field Effect Transistors (FET) - Technical MCQs

Q1:

When the JFET is no longer able to control the current, this point is called the:

A breakdown region

B depletion region

C saturation point

D pinch-off region

ANS:A - breakdown region

Ideally it should be pinch off since at that point a constant current starts flowing through JFET, however due to early effect it still changes but that change is small. I have no idea as to what is breakdown region in JFET.