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Online Tests
Physics Fsc Part 2 Online Test MCQs With Answers
Question # 1
The P.D develop in case of silicon is:
Choose an answer
0.7V
0.3V
0.5V
0.9V
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Question # 2
In case of reverse biasing, current is flown due to:
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Minority charge carriers
Majority charge carriers
Electrons
Protons
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Question # 3
The place for soring the nuclear waste is
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Ocean
Damping in earth
Damping in desert
Bottom of old salt mines
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Question # 4
Semiconductor diodes are called:
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Ohmic
non ohmic
Both a & b
none of above
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Question # 5
The powers of two electric bulbs are 100w and 200w. Which are connected to power supply of 220 V. The ratio of resistance of their filament will be:
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1
:2
2
:1
1
:3
4
:3
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Question # 6
The substance which atom cooperates with each other in such a way so as to exhibit a strong magnetic field is called.
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Ferromagnetic
Paramagnetic
Diamagnetic
Non magnetic
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Question # 7
The binding energy for_________ is maximum.
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Copper
Glass
Iron
Aluminum
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Question # 8
The force of Neutron due to field of 10
2
N/C is.
Choose an answer
1.6 x 10
-17
N
1.6 x 10
-19
N
Zero
1.6 x 10
-21
N
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Question # 9
The value of capacitive reactance is given by
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Xc = VI
All of above
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Question # 10
Conversion of A.C into D.C is called:
Choose an answer
Compton effect
Rectification
Amplification
Pair production
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Question # 11
CRO works by deflecting the beam of electron as they pass through
Choose an answer
Uniform magnetic field
Uniform electric field between two sets of parallel plates
Non-uniform magnetic field
None of these
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Question # 12
Compton's effect is associated with
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gamma rays
Beta rays
X rays
Positive rays
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Question # 13
The critical temperature of Aluminum is.
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3.72 K
1.18 K
7.2 K
8.2 K
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Question # 14
When transistor are used in digital circuits they usually operate in the :
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Active region
Break down region
Saturation & cutoff regions
Linear region
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Question # 15
Einstein photoelectric equation is
Choose an answer
None of these
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Question # 16
The resistance between the inverting (-) and non inverting inputs is called Input resistance and is the order of.
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Ohms
Kilo Ohms
Mega Ohms
Thounds Ohms
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Question # 17
The negative sign with induced emf in Faraday's law is in accordance with
Choose an answer
Lenz's law
Amperes law
Boyle's law
Gauss law
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Question # 18
the substances in which the atoms do not form magnetic dipoles are called.
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Diamagnetic
Para magnetic
Ferro magnetic
Crystal
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