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Online Tests
Ics Part 2 Physics Chapter 3 Test Online MCQs With Answers
Question # 1
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 # 2
When Ohm meter gives full scale deflection it indicates.
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Zero resistance
Infinite resistance
Small resistance
Very High resistance
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Question # 3
If current flowing through a solenoid becomes four times, then magnetic field inside becomes.
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two times
three times
four times
Half
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Question # 4
The value of e/m is smallest for
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Proton
Electron
Beta particle
Positron
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Question # 5
Magnetism is related to:
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Stationary charges
Moving charges
Stationary & Movingcharges
Law of motion
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Question # 6
Weber is the unit of
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Magnetic flux
Permeability
magnetic force
None of above
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Question # 7
The name of the scientist who noted that a compass needle was deflected when placed near the current carrying conductor
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Henry
Faraday
Coloumb
Oersted
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Question # 8
The unit of permiability of free space is:
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T.m/A
T.m
2
/A
T.m/A
2
None of these
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Question # 9
μ
∘
(Ampere's constant) has value.
Choose an answer
4πx10
-7
WbA
-1
m
-1
4πx10
-17
Wbm
2
4πx10
7
WbA
-1
m
-1
4πx10-27 Wb/m
2
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Question # 10
The unit of magnetic induction is:
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Tesla
Weber
Weber metre
NAm
-1
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Question # 11
The sensitivity of Galvanometer can be increased by:
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Increasing C/BAN factor
Decreasing C/BAN factor
Increasing angle θ
All of above
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Question # 12
Which one of the following resistance is used to convert a Galvanometer into an ammeter.
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High resistance
Low resistance in series with galvanometer
Shunt
High resistance in series with galvanometer
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Question # 13
The unit of Magnetic flux is called.
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weber
weber/m
2
NM
-1
A
-1
None of above
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Question # 14
Grid in cathode ray oscilloscope controls.
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Number of electron
Temperature of filament
Frequency of electron
Energy of electrons
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Question # 15
If the length of solenoid is doubled but N same, B inside the solenoid becomes.
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Half
Doubled
One fourth
Four times
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Question # 16
The SI unit of flux density is.
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NA-1 m2
NA-1 m-1
NAm-1
NA-1 m
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Question # 17
A positive charge is moving towards an observer, The direction of magnetic induction will be.
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Toward right
Anti clockwise
Clockwise
Toward left
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Question # 18
A moving charge is surrounded by:
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2 Fields
3 Fields
4 Fields
None of these
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