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Online Tests
Physics Fsc Part 2 Chapter 3 Online Test MCQs With Answers
Question # 1
A device used for detection of current is called.
Choose an answer
Inductor
Voltmeter
Capacitor
Galvanometer
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Question # 2
One weber is equal to:
Choose an answer
N.A
2
/m
N.m
2
/A
N.A/m
N.m/A
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Question # 3
Shunt resistance is
Choose an answer
Low resistance
Zero resistance
High resistance
Impedance
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Question # 4
A moving charge is surrounded by:
Choose an answer
2 Fields
3 Fields
4 Fields
None of these
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Question # 5
The anodes in cathode ray oscilloscope.
Choose an answer
Control number of waves
Control brightness of sept formed
Accelerate as well as focus beam
Negative potential w.r.t to chithode
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Question # 6
A charged particle having charge 'q' is moving at right angle to magnetic field. The quantity which varies is.
Choose an answer
Speed
Kinetic energy
Path of motion
angular velocity
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Question # 7
The vector sum of electric force and magnetic force is called:
Choose an answer
Deflecting force
Lorentz force
Newton force
Faraday's force
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Question # 8
The Weber is unit of measure of:
Choose an answer
Conductance
Electric current
Magnitic flux
Electric flux
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Question # 9
The effective way to increase the sensitivity of moving coil galvanometer is.
Choose an answer
Increase the area of coil
Increase the number of turn
Increase the magnetic field
Increase the value of constant C
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Question # 10
The Grid 'G' in cathode ray oscilloscope.
Choose an answer
Accelerate as well as focus electron beam
Control no. of electrons beam
Is at - Ve potential with respect to cathode.
Both d and b
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Question # 11
The SI unit of magnetic induction 'B' Tesla is equal to.
Choose an answer
NA-1m-1
Nam-1
NA-1 m
Na2m-1
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Question # 12
The function of three anodes a C.R.O is
Choose an answer
To accelerate electrons only
To focus the electrons only
To control the brightness of spot on screen
To accelerate and focus the electrons
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Question # 13
The unit of magnetic induction is:
Choose an answer
Tesla
Weber
Weber metre
NAm
-1
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Question # 14
Current passing through the coil of galvanometer
Choose an answer
CO/BAN
CoN /BA
NAB/CO
AN/BCO
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Question # 15
An electron enters the magnetic field at right angle from left, B is into paper. The electron will be deflected.
Choose an answer
upward
To ward right
Down ward
Toward left
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Question # 16
1 tesla =
Choose an answer
1 MAm
-1
1NA
-1
m
1NA
-1
m
-1
None of above
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Question # 17
An electron moves at 2 x 10
2
m/sec perpendicular to magnetic field of 2T what is the magnitude of magnetic force:
Choose an answer
1 x 10
-6
N
6.4 x 10
-17
N
3.6 x 10
-24
N
4 x 10
6
N
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Question # 18
Weber is the unit of
Choose an answer
Magnetic flux
Permeability
magnetic force
None of above
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