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Worksheets

Unit II

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

What are the names of the terminals X, Y and Z?

a)

X = Base, Y = Collector, Z = Emitter

b)

X = Emitter, Y = Base, Z = Collector

c)

X = Collector, Y = Base, Z = Emitter

d)

X = Collector, Y = Emitter, Z = Base

2.

One function of the transistor is to_____________?

a)

rectify

b)

amplify

c)

limit

d)

control

3.

A transistor is a …………… operated device

a)

Voltage

b)

Both Voltage and Current

c)

Current

d)

None of the Above

4.

In which circuit does the bulb light up?

a)
b)
c)
d)
5.

What is the type of transistor shown in the diagram below?

a)

𝑝𝑛𝑝

b)

𝑛𝑝𝑛

c)

𝑛𝑛𝑝

d)

𝑝𝑝𝑛

e)

𝑝𝑝𝑝

6.

In an npn-transistor, conventional current passes

from the _______.

a)

base to the emitter

b)

emitter to the base

c)

collector to the emitter

d)

diode to the collector

e)

rectifier to the collector

7.

Current through the collector is ____ the current

through the base.

a)

a little smaller than

b)

a little larger than

c)

much smaller than

d)

much larger than

e)

the same as

8.

Which terminal was heavily dopped....?

a)

Emitter

b)

Base

c)

Collector

d)

None of the above

9.

In which region, the transistor operates.....?

a)

Saturation Region

b)

Cut-off Region

c)

Active Region

d)

None of the above

10.

In a Transistor ………………..

a)

IE = IC + IB

b)

IC = IE + IB

c)

IE = IC – IB

d)

IB = IC + IE

11.

The number of depletion layers in a transistor is --------

(a)  

12.

The base of a transistor is ----- doped (heavily, Lightly, Moderately)

(a)  

13.

In a PNP transistor,the current carriers are -------

(a)  

14.

The collector of a transistor is ------- doped (lightly, heavily, Moderately)

(a)  

15.

In an NPN transistor,------ are the minority carriers.

(a)  

16.

In a transistor the base current IB is about ----% of emitter current IE

(a)  

17.

Amplifier circuit will be in which configuration

a)

CE

b)

CB

c)

CC

d)

None

18.

At the Base-Emitter Junctions of a transistor, one finds ……………

a)

A Reverse Bias

b)

Low Resistance

c)

A Wide Depletion Layer

d)

None of the Above

19.

Ac load line of a transistor is --------- than its dc load line.

a)

steeper

b)

very high

c)

very low

d)

none of the above

20.

The transistor is said to be cut-off when VCE = ..........

a)

VBC

b)

VCC

c)

VCE

d)

VBE