Home
MCQ
TNPSC Group 1
TNPSC Group 2 2A
TNPSC Group 4 VAO
Blog
Reach Us
Login
Electronics and Communications 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
Electronics and Communications MCQ Questions
Prev
1
2
3
4
5
Next
13.
The common emitter configuration is more preferred than the commonbase configuration because the common emitter configuration gives
A.
low current gain, low voltage gain and low power gain
B.
low current gain, high voltage gain and low power gain
C.
high current gain, high voltage gain and highpower gain
D.
high current gain, high voltage gain and low power gain
😑
View Answer
Rough Work
Error
ANSWER
:
C. high current gain, high voltage gain and highpower gain
14.
Transformers are used to
A.
Convert AC into DC
B.
Convert DC into AC
C.
step up DC voltage
D.
step up or step down AC voltage
😑
View Answer
Rough Work
Error
ANSWER
:
D. step up or step down AC voltage
15.
Galvanometer can be converted into a voltmeter by using
A.
a low resistance in series
B.
a high resistance in series
C.
A low resistance in parallel
D.
A high resistance in parallel
😑
View Answer
Rough Work
Error
ANSWER
:
B. a high resistance in series
16.
When two resistors, each of value 10 ohms, are connected in parallel, what is the effective value of the combination?
A.
4 ohms
B.
5 ohms
C.
6 ohms
D.
7 ohms
😑
View Answer
Rough Work
Error
ANSWER
:
B. 5 ohms
17.
Which one of the following common devices works on the basis of the principle of mutual induction?
A.
LED
B.
Transformer
C.
Photodiode
D.
Tube light
😑
View Answer
Rough Work
Error
ANSWER
:
B. Transformer
18.
The electric device with thermostat is
A.
radio
B.
electric bulb
C.
fan
D.
iron box
😑
View Answer
Rough Work
Error
ANSWER
:
D. iron box
Prev
1
2
3
4
5
Next
Your Name
*
Your Email
*
Justify your answer :
*
Send Message