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Online Tests
Physics Fsc Part 2 Online Test MCQs With Answers
Question # 1
If F1 and F2 are teh magnetic forces acting on a particle and electron respectively when moving perpendicular to the magnetic field then.
Choose an answer
F1=F2
F1>F2
F1<F2
F1 = 4F2
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Question # 2
the current which flows from a point at higher. potential to point at lower potential is called.
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Electric current
Conventional current
Either of these
None of above
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Question # 3
The sensitivity of galvanometer is given by
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CAN/B
C/BAN
BAN/C
BN/CA
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Question # 4
If the separation between the plates of a capacitor is doubled then its capacitance become.
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Double
Half
One fourth
Three times
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Question # 5
Transistor was discovered by
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Young
Curie
John Bardeen
Shale's
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Question # 6
The direction of induced current is always so as to oppose the change which causes the current is:
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Faraday's law
Lenz's law
Ohm's law
Kirchhoff's 1st rule
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Question # 7
For inducing emf in a coil the basic requirement is that:
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Flux should link the coil
Change in flux should link the coil
Coil should form a closed loop
Both (b) and (c) are true
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Question # 8
If a charge Q flows through any cross section of the conductor in time t, the current I is
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I=Qt
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Question # 9
Binding energy for deuteron nucleus is given by
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2.8 MeV
2.23 MeV
2.28 MeV
2.25 MeV
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Question # 10
The motional emf developed in a conduction depends upon.
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Length
Orientation
Magnetic field
All of the above
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Question # 11
Self inductance of a long solenoid is given by
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None of the above
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Question # 12
The middle region of electric field is:
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Maximum field spot
Zero field spot
Perpendicular field spot
All of above
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Question # 13
Conversion of A.C into D.C is called:
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Compton effect
Rectification
Amplification
Pair production
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Question # 14
The combined effect of resistance and reactance in circuit is called:
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Impedance
Inductance
Capacitance
None of above
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Question # 15
Cobalt -60 is the source for
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Alpha rays
Gama rays
Beta rays
Neutron
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Question # 16
Which of the following has bulk modulus?
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Water
Gas
Honey
All
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Question # 17
Which of the following has least hysteresis loop area.
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Steel
Wrought Iron
Soft Iron
Cobalt
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Question # 18
The heat produced by passage of current.
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H=I
2
Rt
H=IR2T
H=I/Rt
H=I
2
/Rt
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