wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

MSR @ M.Sreedhar - Electron Devices and Circuits

Total questions: 85

Worksheet time: 46mins

Name
Class
Date
1.

The continuous flow of electrons is ______

a)

Current

b)

Static electricity

c)

Voltage

d)

Resistance

2.
3. Which of the following is a pentavalent impuity added while forming an extrinsic semiconductor ?
a)
(a) Boron 
b)
Arsenic
c)
Indium
d)
Gallium
3.
The reverse saturation current in a PN Junction diode is only due to 
a)
majority carriers
b)
minority carriers
c)
acceptor ions
d)
donor ions
4.

Doping of Semiconductors

a)

materials which can conduct electricity better than insulator, but not as well as conductors.

b)

The process of adding of a certain amount of specific impurities atoms in the pure semiconductor.

c)

when 4 electrons in outermost orbit.

5.

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

a)

Doping

b)

Ionization

c)

Recombination

d)

Atomic modification

6.

A full-wave rectifier consist of _______________________________

a)

1 Diode

b)

2 Diode

c)

3 Diode

d)

4 Diode

7.

In which of the following semiconductor, the concentration of the holes and electrons is equal?

a)

Extrinsic

b)

Compound

c)

Intrinsic

d)

None

8.

The term bias in electronics usually means

a)

the value of dc voltages for the device to operate properly.

b)

the value of ac voltage in the signal.

c)

the condition of current through a pn junction

d)

reverse saturation current in the pn junction

9.

Which is an example for Intrinsic semiconductor

a)

Gallium Arsenide

b)

Germanium

c)

Indium phosphate

d)

None of the above

10.

Which statement best describes an insulator?

a)

A material with few free electrons

b)

A material doped to have some free electrons.

c)

A material with many free electrons.

d)

None of the above

11.

Semiconductor material doped with trivalent impurity is called as

a)

p-type

b)

n-type

c)

neutral

d)

intrinsic

12.

In metals conductivity takes place due to

a)

Holes

b)

Free electrons

c)

Valence Electrons

d)

neutrons

13.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
14.

Copper and gold are good

a)

insulator

b)

conductor

c)

semiconductor

d)

None of the above

15.

Transistors act like tiny "____________."

a)

Electron sources

b)

Switches

c)

Batteries

d)

Bees?

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.

One function of the transistor is to_____________?

a)

rectify

b)

amplify

c)

limit

d)

control

18.

A transistor is a …………… operated device

a)

Voltage

b)

Both Voltage and Current

c)

Current

d)

None of the Above

19.

What is this?

a)

Vacuum Tube

b)

Transistor

c)

Circuit

20.

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

a)

𝑝𝑛𝑝

b)

𝑛𝑝𝑛

c)

𝑛𝑛𝑝

d)

𝑝𝑝𝑛

e)

𝑝𝑝𝑝

21.

Transistors are mainly used as _____.

a)

resistors

b)

rectifiers

c)

insulators

d)

capacitors

e)

Current amplifiers

22.

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

23.

A transistor is essentially what?

a)

An output device

b)

An electronic switch

c)

A deivce that limits the flow of power

24.

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

a)

Saturation Region

b)

Cut-off Region

c)

Active Region

d)

None of the above

25.

Which terminal was heavily dopped....?

a)

Emitter

b)

Base

c)

Collector

d)

None of the above

26.

Under what operating mode transistor can be operate in OFF condition?

a)

Active mode

b)

Saturation mode

c)

Cut off mode

d)

None of the above

27.

Under what mode transistor can be operated in ON condition?

a)

Saturation mode

b)

Cut off mode

c)

Active mode

d)

None

28.

In saturation mode, switch in the transistor circuit remains

a)

open

b)

closed

c)

both (a) and (b)

d)

none

29.

In Cut off mode, switch in the transistor circuit remains

a)

closed

b)

open

c)

both (a) and (b)

d)

None

30.

Characteristics of a diode that helps in rectification

a)

Allows Unidirectional flow of current

b)

Allows Bidirectional flow of current

c)

Opposes the flow of current

d)

conducts in reverse biased

31.

Zener diodes are mostly used for

a)

rectifier circuits

b)

Filter Circuits

c)

solar cells

d)

Voltage regulator circuits

32.
In forward biasing 
a)
the resistance in the circuit is very high
b)
he resistance in the circuit is very low
33.

Zener diodes are:

a)

Specially doped p–n junctions

b)

Normally doped p–n junctions

c)

Lightly doped p–n junctions

d)

None of the above

34.

What will happen, if we connect capacitor to DC Supply.

a)

It allows DC

b)

It blocks DC

c)

t rectifies

d)

None of these

e)

Hint: Diode is unidirectional and uncontrolled device. In rectifier circuit, diode use as a switch to convert ac to dc for rectification purpose.

35.

In a full wave rectifier if the input signal frequency is 50Hz, then the output frequency is

a)

25

b)

50

c)

100

36.

Rectifier is Converter___to ______

(a)  

37.

what is a diodes function

a)

allows current to flow in one direction

b)

allows current to flow in two directions

c)

is a resistor

38.

when a Diode is used as a half wave rectifier ....

a)

It rectifies only one half of the input AC signal

b)

It rectifies both the halves of the input AC signal

39.

Which image shows the output of a sine-wave after it has gone through a diode? (Half-wave rectified)

a)
b)
c)
d)
40.

What electrical component is used to smooth half wave current signals?

a)

Resistor

b)

Diode

c)

Capacitor

d)

Voltage regulator

41.
a)

halfwave rectified

b)

fullwave rectified

c)

sine wave

d)

light bulb

42.

The number of diodes used to build a bridge rectifier

a)

1

b)

2

c)

3

d)

4

43.

The basic purpose of a filter is to


a)

Minimize variations in a.c. input signal.

b)

Suppress harmonics in rectified output.

c)

Remove ripples from the rectified output

d)

Stabilize d.c. output voltage

44.

Number of junction(s) in PN diode is (are)

a)

1

b)

2

c)

3

d)

4

45.

Number of junctions in Transistors are

a)

2

b)

4

c)

6

d)

8

46.

Number of terminal(s) in PN diode is (are)

a)

1

b)

2

c)

3

d)

4

47.

Number of terminal(s) in Transistor is (are)

a)

1

b)

2

c)

3

d)

4

48.

Terminals at PN diode are referred as

a)

Anode, Cathode

b)

Collector, Anode

c)

Collector, Emitter

d)

Base, Emitter

49.

Terminals at Transistors are referred as

a)

Emitter, Collector, Base

b)

Anode, Collector, Base

c)

Collector, Base, Cathode

d)

Anode, Cathode, Emitter

50.

BJT stands for

a)

Bipolar Junction Transistor

b)

Binary Junction Transistor

c)

Binomial Junction Transistor

d)

Bisector Junction Transistor

51.

Circuit used to limit the amplitude is referred as

a)

Clipper

b)

Clamper

c)

Rectifer

d)

All the above

52.

Circuit used to change the DC level of the signal is referred as

a)

Clipper

b)

Clamper

c)

Rectifier

d)

All the above

53.

Circuit shown is

a)

Bridge Rectifier

b)

Half Wave Rectifier

c)

Full Wave Rectifier

d)

Clamper

54.

Circuit shown is

a)

Half Wave Rectifier with filter

b)

Full Wave Rectifier with filter

c)

Half Wave Rectifier without filter

d)

Full Wave Rectifier without filter

55.

Circuit shown is

a)

Half Wave Rectifier without filter

b)

Full Wave Rectifier without filter

c)

Half Wave Rectifier with filter

d)

Full Wave Rectifier with filter

56.

Circuit shown is

a)

Full Wave Rectifier

b)

Half Wave Rectifier

c)

Clamper

d)

Clipper

57.

Circuit shown is

a)

Full Wave Rectifier

b)

Half Wave Rectifier

c)

Clamper

d)

Clipper

58.

Output is

a)

AC

b)

DC

c)

AC and DC

d)

Zero

59.

Electrical and Electronics respectively refers to

a)

Flow of charge and controlled flow of charge

b)

Controlled Flow of charge and flow of charge

c)

Flow of charge and flow of charge

d)

Controlled Flow of charge and controlled flow of charge

60.

Holes and electrons are equal in

a)

Intrinsic semiconductor

b)

Extrinsic semiconductor

61.

In forward biased p-n junction diode

a)

Anode is connected to positive terminal and Cathode is connected to negative terminal

b)

Anode is connected to negative terminal and Cathode is connected to positive terminal

c)

Anode and cathode are connected to same polarity

d)

Anode and cathode are grounded

62.

In reverse biased p-n junction diode

a)

Anode is connected to positive terminal and Cathode is connected to negative terminal

b)

Anode is connected to negative terminal and Cathode is connected to positive terminal

c)

Anode and cathode are connected to same polarity

d)

Anode and cathode are grounded

63.

Minimum number of diode(s) required for realizing Half Wave Rectifier is

a)

1

b)

2

c)

3

d)

4

64.

Minimum number of diode(s) required for realizing full Wave Rectifier is

a)

1

b)

2

c)

3

d)

4

65.

Minimum number of diode(s) required for realizing Bridge Rectifier is

a)

1

b)

2

c)

3

d)

4

66.

Capacitor connected with DC source. After fully charged, it acts as

a)

Open Circuit

b)

Short Circuit

67.

Capacitor connected with AC source. After fully charged, it acts as

a)

Open Circuit

b)

Short Circuit

68.

In half wave rectifier, the output current flows for

a)

Whole cycle of the input signal

b)

Half cycle of the input signal

c)

More than half cycle

69.

In HWR, if the input frequency is 50 Hz, then the out put frequency is

a)

25

b)

50

c)

100

d)

200

70.

In Fullwave wave rectifier, the output current flows for

a)

Whole cycle of the input signal

b)

Half cycle of the input signal

c)

More than half cycle

71.

In FWR, if the input frequency is 50 Hz, then the out put frequency is

a)

25

b)

50

c)

100

d)

200

72.

In Bridge rectifier, if the input frequency is 50 Hz, then the output frequency is

a)

25

b)

50

c)

100

d)

200

73.

The FWR has twice the efficiency of a half-wave rectifier because

a)

It makes use of transformer

b)

Its ripple factor is very less

c)

It utilizes both half and negative half cycle

d)

Its output frequency is double the line frequency

74.

General Question: Number of students in your class

a)

39

b)

40

c)

41

d)

42

75.

General Question: Roll number 19EER001 is

a)

Akashpalaniappa A

b)

Antony Anderson

c)

Abhinithi R

d)

Anuragha P

76.

General Question: Faculty name for the subject 18EET32 Electron Devices and Circuits is

a)

SREEDHAR M

b)

SAKTHIVEL P

c)

SARAVANAN S

d)

SABARIVELU V

77.

General Question: Class Mentor and Advisor respectively of your class are

a)

HARIPRASATH S & GOKULABRINDHA S

b)

GOKULABRINDHA S & HARIPRASATH S

c)

SABARIVELU V & GOKULABRINDHA S

d)

GOKULABRINDHA S & SENTHILNATH J

78.

General Question: Number of boys in your class is

a)

23

b)

24

c)

25

d)

22

79.

General Question: Number of girls in your class is

a)

16

b)

17

c)

18

d)

15

80.

General Question: Canteen in our college main block is at

a)

First Floor

b)

Second Floor

c)

Third Floor

d)

Fourth Floor

81.

General Question: VCET College dispensary is at

a)

Basement Floor

b)

Ground Floor

c)

First Floor

d)

Fifth Floor

82.

General Question: Our college working hours is

a)

08:45 am to 04:45 pm

b)

08:50 am to 04:45 pm

c)

08:50 am to 04:50 pm

d)

08:45 am to 04:50 pm

83.

General Question: Name of the bank associated with our college is

a)

Bank of Baroda

b)

State Bank of India

c)

Bank of India

d)

Bank of Allahabad

84.

General Question: Golden jubilee celebrations of our institutions was held during

a)

2018

b)

2019

c)

2020

d)

2017

85.

General Question: Academic Regulation (Curriculum & Syllabus) that has been followed by your class is

a)

R2016

b)

R2017

c)

R2018

d)

R2019

Similar Resources on Wayground

C09 Covalent Bonding

81 questions

C09 Covalent Bonding

quiz

Worksheet

•

10th Grade - University

LATIHAN ASAS IPA KELAS 7 TH 2025/2026

83 questions

LATIHAN ASAS IPA KELAS 7 TH 2025/2026

quiz

Worksheet

•

7th Grade - University

Unit 2 Exam Review

80 questions

Unit 2 Exam Review

quiz

Worksheet

•

University

Exam 3 Review-Microbiology

80 questions

Exam 3 Review-Microbiology

quiz

Worksheet

•

University

Unit 6: Energy - practice questions

83 questions

Unit 6: Energy - practice questions

quiz

Worksheet

•

University