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JFET Quiz

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

In a P-type channel JFET, the majority charge carriers are:

a)

Electrons

b)

Holes

c)

Ions

d)

Both electrons and holes

2.

The terminals of a JFET are:

a)

Collector, Base, Emitter

b)

Gate, Source, Drain

c)

Anode, Cathode, Grid

d)

Plate, Cathode, Grid

3.

In a P-type JFET, current flows from:

a)

Source to Drain

b)

Drain to Source

c)

Gate to Source

d)

Gate to Drain

4.

The gate of a P-type JFET is made of:

a)

P-type material

b)

N-type material

c)

Metal

d)

Insulator

5.

The JFET is controlled by:

a)

Current

b)

Voltage

c)

Power

d)

Resistance

6.

The input impedance of a JFET is:

a)

Very low

b)

Moderate

c)

Very high

d)

Zero

7.

When VGS becomes more positive in a P-type JFET, the channel:

a)

Widens

b)

Pinches off

c)

Narrows

d)

Breaks

8.

The JFET operates in saturation region after:

a)

Pinch-off

b)

Breakdown

c)

Short-circuit

d)

Cut-off

9.

At pinch-off voltage (VP) the drain current:

a)

Drops to zero

b)

Reaches maximum (IDSS)

c)

Reverses direction

d)

Becomes infinite

10.

IDSS stands for:

a)

Drain current at saturation and gate shorted

b)

Drain current at breakdown

c)

Drain current at zero bias

d)

Drain current at maximum gate voltage