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Online Tests
Ics Part 2 Physics Chapter 1 Test Online MCQs With Answers
Question # 1
Gauss's law can only be applied to.
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A curved surface
A flat surface
A closed surface
A surface of any shape
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Question # 2
If a charged body is moved against the electric field it will gain.
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P.E.
K.E.
Mechanical energy
Electrical potential energy
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Question # 3
The number of lines per unit area passing perpendicular through an area is called
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Flux
Electric intensity
Both (a) , (b)
None of these
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Question # 4
Dielectric constant
εr
for air is:
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1
1.006
1.0002
1.0006
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Question # 5
The fact that electric field exist in space around an electrical charge is
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Electrical property
Gravitational property
Intrinsic property of nature
Extrinsic property of nature
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Question # 6
The net charge on a capacitor magnitude of charge of charge
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Infinity
2 q
Q/2
Zero
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Question # 7
Two metallic sphere of radius 2 cm and 4 cm get equal quantity of charge. Which has greater surface charge density ?
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2
nd
sphere
Both have same
First sphere
None of these
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Question # 8
The electric potential at a mid point in an electric dipole is.
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0 V
0.5 V
1 V
1.5 V
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Question # 9
Photo copier and inkjet printer are the applications of
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Magnetism
Electricity
`.Electro magnetism
Electrostatics
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Question # 10
A changing electric flux creates.
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Electric fields
Gravitational
Magnetic field
Electric charge
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Question # 11
A proton is about 1840 time than an electron. When it is accelerated by a potencial difference if 1 kV, its kinetic energy will be:
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1884 ke V
1/1840 keV
1 keV
920 keV
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Question # 12
Two oppositely charged balls A and B attract the third ball C, when placed near them turn by turn The third ball C must be.
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Positively charged
Negatively charged
Electrically neutral
Positively and negatively charged
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Question # 13
If both the magnitude of charges and distance between them is doubled, then coulomb's force will be.
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Doubled
Hlaf
Remain same
One fourth
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Question # 14
If the distance between two charges is halved and charges are also doubled, then force between them will be.
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Two time
Four time
Eight time
Sixteen time
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Question # 15
Which one is photo conductor.
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Copper
Selenium
Mercury
Aluminium
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Question # 16
One of the applications of electrostatic induction is
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Laser
Photocopier
X ray machine
Wilson cloud chamber
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Question # 17
An ECG records the _____ between points on human skin generated by electric process i the heart.
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Heart beat
Pulse rate
Pressure
Voltage
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Question # 18
Electric potential at a distance ''r'' from ''q'' is:
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V
r
= 1/54πε
∘
q/r
2
Vr=1/4πε
∘
2
q/r
V
r
=1/4πε
∘
2q/r
V
r
=1/4πε
∘
q
2
/r
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