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MOSFET

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.

The oxide layer formed in the MOSFET is

a)

Metal oxide

b)

Silicon dioxide

c)

Poly Silicon oxide

d)

Oxides of Non metals

2.

The drain current (n-MOSFET) is varied by

a)

Gate to source voltage

b)

Gate current

c)

Source Voltage

d)

None of the mentioned

3.

Which of the following terminals does not belong to the MOSFET?

a)

Drain

b)

Gate

c)

Base

d)

Source

4.

Choose the correct statement

a)

MOSFET is a unipolar, voltage controlled, two terminal device

b)

MOSFET is a bipolar, current controlled, three terminal device

c)

MOSFET is a unipolar, voltage controlled, three terminal device

d)

MOSFET is a bipolar, current controlled, two terminal device

5.

The controlling parameter in MOSFET is

a)

Vds

b)

Ig

c)

Vgs

d)

Is

6.

The output characteristics of a MOSFET, is a plot of

a)

Id as a function of Vgs with Vds as a parameter

b)

Id as a function of Vds with Vgs as a parameter

c)

Ig as a function of Vgs with Vds as a parameter

d)

Ig as a function of Vds with Vgs as a parameter

7.

MOSFET has greatest application in digital circuit due to

a)

Low power consumption

b)

Less noise

c)

Small amount of space it takes on a chip

d)

All of the above

8.

1. The MOSFET stands for.....

a)

Metal oxidized selenium FET

b)

Metal oxide surface FET

c)

Metal oxide semiconductor FET

d)

Metal of surface FET

9.

………… is the best electronic device for fast switching.

a)

MOSFET

b)

JFET

c)

BJT

d)

Triode

10.

MOSFET is also known as….

a)

IGBJT

b)

IGFET

c)

IGBET

d)

None

11.

Number of Terminals in a MOSFET are :

a)

Two

b)

Three

c)

Four

d)

Five

12.

A MOSFET can be operated with ……………..

a)

Negative gate voltage only

b)

Positive gate voltage only

c)

Positive as well as negative gate voltage

d)

None of the above

13.

A MOSFET uses the electric field of a ………. to control the channel current

a)

battery

b)

generator

c)

capacitor

d)

all the above

14.

MOSFET can be used as ________

a)

Voltage controlled capacitor

b)

Current controlled capacitor

c)

Voltage controlled inductor

d)

Current controlled inductor

15.

The effective channel length of a MOSFET in saturation decreases with increase in which of the following parameter?

a)

Gate voltage

b)

Drain voltage

c)

Source voltage

d)

Body voltage

16.

A dual-gated MOSFET is

a)

a depletion MOSFET.

b)

an enhancement MOSFET.

c)

a VMOSFET.

d)

either a depletion or an enhancement MOSFET.

17.

Which of the following devices has the highest input resistance?

a)

diode

b)

JFET

c)

MOSFET

d)

bipolar junction transistor

18.

Enhancement mode MOSFETs are more commonly used as

a)

switches

b)

resistors

c)

buffers

d)

capacitors

19.

Depletion mode MOSFETs are more commonly used as

a)

switches

b)

resistors

c)

buffers

d)

capacitors

20.

In N channel MOSFET which is the more negative of the elements?

a)

source

b)

gate

c)

drain

d)

source and drain

21.

The drain current is varied by

a)

Gate to source voltage

b)

Gate current

c)

Source Voltage

d)

None of the mentioned

22.

What is the effect of Enhancement and Depletion MOSFET ?

a)

Increase and Decrease of Majority Carriers

b)

Decrease and Increase of Majority Carriers

c)

Equal number of majority carriers

d)

Both will increase

23.

In which region the MOSFET acts as an amplifier?

a)

cutoff region

b)

saturation region

c)

triode/linear region

d)

none

24.

Which is used for high power applications?

a)

BJT

b)

MOSFET

c)

JFET

d)

TUNNEL DIODE