wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Quiz 1 Analog Electronic 1

Total questions: 26

Worksheet time: 13mins

Name
Class
Date
1.
In an NPN transistor, the N regions are
a)
base and emitter
b)
base and collector
c)
emitter and collector
d)
base and ground
2.
It is constructed with three doped semiconductor regions separated by two pn-junctions
a)
BJT
b)
OJT
c)
BUT
d)
BOT
3.
BJT stands for
a)
Biomedical Junction Table
b)
Binary Justified Transistor
c)
Bipolar Junction Transistor
d)
Bipolar Junction Thyristor
4.
The ratio of dc collector current (IC) to the dc base current (IB)
a)
alpha
b)
beta
c)
gamma
d)
theta
5.
The region of transistor's operation when both junctions are forward-biased
a)
cutoff
b)
saturation
c)
partially off
d)
open
6.
The emitter current is the sum of the collector current and the base current for both npn and pnp types of BJT
a)
True
b)
False
c)
Not sure
7.
Emitter current is very small compare to base current and collector current
a)
True
b)
False
c)
Could be
8.
Which of the following is not a terminal or region of a BJT?
a)
base
b)
collector
c)
drain
d)
emitter
9.

Materials which can conduct electricity better than insulator,but not as well as conductors. This is the definition of

a)

diode

b)

semiconductor

c)

conductor

d)

insulator

e)

superconductor

10.

which statement is correct? (the dark circles represent the electrons)

a)

p-type of the diode is connected to the negative terminal.

b)

Electron moves across the p-n junction, makes the diode forward biased

c)

current will not flow in the circuit

d)

reverse biased circuit

11.

The diagram is a process

a)

of doping

b)

of adding impurities

c)

of half-wave rectification

d)

of full-wave rectification

12.

Valence electrons are

a)

in the closest orbit to the nucleus

b)

in the most distant orbit from the nucleus

c)

in various orbits around the nucleus

d)

not associated with a particular atom

13.

The current in a semiconductor is produced by

a)

electron only

b)

holes only

c)

negative ions

d)

both electrons and holes

14.

The process of adding an impurity to an intrinsic semiconductor is called

a)

doping

b)

recombination

c)

atomic modification

d)

ionization

15.

A pn junction is formed by

a)

the recombination of electrons and holes

b)

ionization

c)

the boudary of a p-type and an n-type material

d)

the collision of a proton and a neutron

16.

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

17.

transistor has 3 electrodes namely

a)

PNP

b)

NPN

c)

Base/ Collector/ Emitter

d)

Drain/ Gate/ Source

18.

How many terminals are there in a transistor....?

a)

1

b)

2

c)

3

d)

4

19.

Which transistor is this?

a)

NPN

b)

PNP

c)

Neither

d)

Both

20.

Which transistor is this?

a)

NPN

b)

PNP

c)

Neither

d)

Both

21.

What is this pin called with the arrow?

a)

Emitter

b)

Base

c)

Collector

d)

Transistor

22.

What is this pin called with the arrow?

a)

Emitter

b)

Base

c)

Collector

d)

Transistor

23.

What is this pin called with the arrow?

a)

Emitter

b)

Base

c)

Collector

d)

Transistor

24.
Refer to the figure. It is a _____ bias.
a)
Fixed
b)
Emitter Feedback
c)
Collector Feedback
d)
Voltage Divider
25.
Refer to the diagram. What is the typical base-emitter voltage Vbe when it is biased on?
a)
0.3V
b)
0.7V
c)
2.5V
d)
5V
26.
Refer to the figure. What is the base current when beta is 100 and collector current Ic is 10mA?
a)
1 uA
b)
10 uA
c)
100 uA
d)
1 mA