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JFET

Authored by rosnani ali

Engineering

Vocational training

Used 2+ times

JFET
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A JFET has three terminals, namely …………

cathode, anode, gate


emitter, base, collector

source, gate, drain

gate, base, source

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A JFET is also called …………… transistor

unipolar

unijunction

bipolar

unibipolar

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A JFET always operates with

the gate-to-source voltage reverse-biased

the gate-to-source voltage forward-biased

the drain connected to ground

the drain connected to ground

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

decrease

increase

remain the same

constant

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For VGS = 0 V, the drain current becomes constant when VDS exceeds ………

Cutoff

Vp

VDD

0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A certain JFET having values of VGS(off) = -6V and IDSS = 3 mA. Calculate the value of drain current when VGS = -2V.

1.33 mA

2.08 mA

1.25 mA

0.7 mA

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a JFET is pinch-off, the depletion layers are

conducting

almost close together

decreases

nothing happen

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