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Online Tests
Physics Fsc Part 2 Online Test MCQs With Answers
Question # 1
Two parallel wires carrying currents in the opposite direction.
Choose an answer
Repel each other
Attract each other
Have no effect upon each other
They cancel out their individual magnetic fields.
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Question # 2
Magnetic flux density is measured in
Choose an answer
Weber
Weber/m2
Tesla -m
Gauss
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Question # 3
The absolute electric potential at a point distance 20 cm from a charge of 2 uC is.
Choose an answer
9 x 10
2
V
9 x 10
3
V
9 x 10
4
V
9 x 10
5
V
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Question # 4
Transformer is used to change
Choose an answer
Electric power
Magnetic field
Alternating voltage
Phase of A.C.
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Question # 5
In according with Bohr's theory the K.E of the electron is equal to:
Choose an answer
ke
2
/2r
Ze
2
/r
Ze
2
/r
2
Ze
2
/2r
2
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Question # 6
A device which converts low voltage or current to high voltage or current is called.
Choose an answer
Transformer
AC generator
Amplifier
Rectifier
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Question # 7
Some charge is being given to a conductor. Then its potencial
Choose an answer
Its maximum at surface
Its maximum at Its maximum at center
Is remain same throughout the conductor
Is maximum somewhere between surface and centre
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Question # 8
The colour of light emitted by a LED depends on.
Choose an answer
It forward biased
Its reverse biased
Unbiased
None of these
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Question # 9
The bnding energy for nucleus A is 7.7 Me V and that for nucleus B is 7.8 MeV. Which nucleus has the larger mass?
Choose an answer
Nucleas A
Nucleus B
Less than nucleus
None of these
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Question # 10
An in cudutor may store energy in
Choose an answer
Its magnetic field
Its coil
Its electric field
A neighboring circuit
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Question # 11
A battery move a charge of 40 C around a circuit at constant rate in 20 Sec. The current will be.
Choose an answer
2 A
0.5 A
80 A
800 A
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Question # 12
split rings are used in
Choose an answer
A.C. generator
A.C. motor
Transformer
D.C. motor
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Question # 13
When some di electric is inserted between the plates of a capacitor, then capacitance.
Choose an answer
Decreases
Increases
Becomes zero
Becomes infinity
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Question # 14
The most suitable metal for making permanent magnet is.
Choose an answer
Iron
Aluminium
Steel
Copper
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Question # 15
At resonance, the behavior of R-L-C series circuit is.
Choose an answer
Resistive
Capacitive
Inductive
Modulative
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Question # 16
If the kinetic energy of a free electron doubles, its de Broglie wavelength changes by the factor.
Choose an answer
√
2
1/
√
2
2
1/2
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Question # 17
SI unit of electric flux is.
Choose an answer
NmC
1
Nm
-1
C
1
Nm
2
C
-1
Nm
3
C
2
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Question # 18
The SI unit of Stress is:
Choose an answer
Nm
Nm
2
NM
-2
Nm
3
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