Home
MCQ
TNPSC Group 1
TNPSC Group 2 2A
TNPSC Group 4 VAO
Blog
Reach Us
Login
Electricity and Magnetism TNPSC Group 1 Questions
TNPSC Group 1 SYLLABUS
Physics
Nature of Universe
General Scientific Laws
Mechanics and Properties of Matter
Force, Motion and Energy
Everyday application of the basic principles of Mechanics
Electricity and Magnetism
Light, Sound and Heat
Nuclear Physics and Laser
Electronics and Communications
Electricity and Magnetism MCQ Questions
Prev
1
2
3
4
5
6
7
8
9
10
11
Next
7.
In an electric bulb, a little nitrogen or argon is introduced at low pressure to
A.
Cool the hot filament
B.
withstand atmospheric pressure
C.
prevent evaporation of element
D.
increase brightness of the filament
😑
View Answer
Rough Work
Error
ANSWER
:
A. Cool the hot filament
8.
The nature of fuse wire is
A.
high resistance and low melting point
B.
high resistance and high melting point
C.
low resistance and high melting point
D.
low resistance and low melting point
😑
View Answer
Rough Work
Error
ANSWER
:
A. high resistance and low melting point
9.
The newly discovered high temperature super conductors are
A.
inorganic polymers
B.
liquid nitrogen
C.
metal alloys
D.
ceramic stars
😑
View Answer
Rough Work
Error
ANSWER
:
A. inorganic polymers
10.
Choke is used to
A.
reduce the current in AC circuit
B.
reduce the current in DC circuit
C.
Convert AC to DC
D.
Convert DC to AC
😑
View Answer
Rough Work
Error
ANSWER
:
A. reduce the current in AC circuit
11.
The filament of an electric bulb is made of
A.
Tungsten
B.
Aluminium
C.
carbon
D.
Platinum
😑
View Answer
Rough Work
Error
ANSWER
:
A. Tungsten
12.
An electric bulb is connected to a 220 V generator. The current is 0.50 A. What is the power of the bulb?
A.
100 W
B.
110 W
C.
120 W
D.
130 W
😑
View Answer
Rough Work
Error
ANSWER
:
B. 110 W
Prev
1
2
3
4
5
6
7
8
9
10
11
Next
Your Name
*
Your Email
*
Justify your answer :
*
Send Message