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Online Tests
Ics Part 2 Physics Test Online MCQs With Answers
Question # 1
When the medium is insulator the elecrostatic force between the charges is
Choose an answer
Decreased
Zero
Increased
None of above
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Question # 2
The electric field created by positive charge is
Choose an answer
Radially inward
Zero
Circular
Radially outward
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Question # 3
The unit of induced emf is
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Ampere
Volt
Joule/coulomb
Both (b) and (c)
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Question # 4
Platinum wire becomes white at a temperature of.
Choose an answer
1600
o
C
1300
o
C
1100
o
C
900
o
C
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Question # 5
The induction can be increased by winding the wire around a core made of.
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Copper
Silicon
Iron
Aluminum
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Question # 6
The magnetic flux will be max, For an angle of:
Choose an answer
0
°
60
°
90
°
180
°
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Question # 7
There is regular arrangement of molecules in:
Choose an answer
Amorphous solids
Crystalline solids
Both a and b
None of above
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Question # 8
In purely resistive A.C circuit, instantaneous value of voltage and current:
Choose an answer
Current lags behind voltage
Current leads voltage by π/2
Both are in Phase
Voltage leads current by Pase θ=π/2
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Question # 9
Drift velocity of electrons is.
Choose an answer
10
-1
m/s
10
-2
m/s
10
-3
m/s
10
3
m/s
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Question # 10
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 # 11
If F1 and F2 are teh magnetic forces acting on a particle and electron respectively when moving perpendicular to the magnetic field then.
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F1=F2
F1>F2
F1<F2
F1 = 4F2
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Question # 12
The magnetic force is simply a
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Reflecting force
Deflecting force
Restoring force
Gravitational force
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Question # 13
The number of protons in any atom are always equal to the number of
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Neutrons
Electrons
Positrons
Mesoris
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Question # 14
The sensor of light is.
Choose an answer
Transistor
LED
Diode
Light dependent resistance
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Question # 15
Pulsating output of full wave rectifier can be made smooth by using circuit called.
Choose an answer
Filter
Amplifier
Resistor
Transistor
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Question # 16
Thermosouple is an arrangement of two different metals:
Choose an answer
Two convert heat energy into electrical energy
To produce more heat
To convert heat energy into chemical energy
To convert electrical energy into heat energy
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Question # 17
The position has charge which is in magnitude equal to the charge on
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Electron
Proton
β particle
All
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Question # 18
A positron is an anti particle of.
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Proton
Electron
Neutron
Photon
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Question # 19
The value of capacitive reactance is given by
Choose an answer
Xc = VI
All of above
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Question # 20
Electromagnetic induction obeys law of conservation
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Charge
Energy
Momentum
Mass
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Question # 21
In Helium Neon laser, the discharge tube is filled with
Choose an answer
80% He, 20% Neon
85% He, 15% Neon
83% He, 17% Neon
90% He, 10% Neon
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Question # 22
For electromagnetic waves, Maxwell generalized
Choose an answer
Gauses law for magnetism
Gauses law for eletricity
Fradays law
Amperes law
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Question # 23
The mass of proton in amu is:
Choose an answer
1.07276
1.7276
1.007276
1.0007276
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