FIELD EFFECT TRANSISTOR

A JFET has three terminals, namely

• cathode,anode,grid

• emitter, base, collector

• source, gate, drain

• none of the above

A JFET is also called …………… transistor

• bipolar

• unipolar

• unijunction

• none of the above

A JFET is a ………… driven device

• voltage

• current

• both current and voltage

• none of the above

The gate of a JFET is ………… biased

• forward

• reverse

• reverse as well as forward

• none of the above

The input impedance of a JFET is …………. that of an ordinary transistor

• equal to

• more than

• less than

• none of the above

In a p-channel JFET, the charge carriers are …………..

• electrons

• holes

• both electrons and holes

• none of the above

If the reverse bias on the gate of a JFET is increased, then width of the conducting channel …………..

• is increased

• is decreased

• remains the same

• none of the above

A JFET has ……….. power gain

• small

• very high

• very small

• none of the above

The input control parameter of a JFET is ……………

• gate current

• drain voltage

• gate voltage

• source voltage

In a JFET, when drain voltage is equal to pinch-off voltage, the depletion layers ………

• have large gap

• have moderate gap

• almost touch each other

• none of the above