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Online Tests
Ics Part 2 Physics Chapter 1 Test Online MCQs With Answers
Question # 1
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 # 2
In photocopier, then drum is coated with layer of.
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Aluminium
Copper
Selenium
silver
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Question # 3
Due to polarization, electric field E.
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Increase
Decrease
First increases then decreases
Remain same
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Question # 4
Presence of dielectric always.
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Increase the electrostatic force
Reduces the electrostatic force
Do not effect electrostatic force
Doubles the electrostatic force
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Question # 5
Some charge is being given to a conductor. Then its potencial
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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 # 6
Presence of dielectric between two charges always.
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Reduces the electric force
Enhance the electric force
Does not effect electric force
Double the electric force
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Question # 7
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 # 8
One electron volt is equal to.
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1.6 x 10
-19
Joule
1.6 x 10
-19
Coulomb
1.6 x 10
-12
N
1.6 x 10
18
Joule
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Question # 9
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 # 10
A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, Then
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The charge in the plates reduces and potencial difference increase
Potencial difference between the plates increase, stored energy decreases and charge remains the same
Potencial difference between the plates decreases, stored energy decreases and charge remains unchanged
None of them
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Question # 11
The absolute electric potential at a point distance 20 cm from a charge of 2 uC is.
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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 # 12
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 # 13
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 # 14
The toner of printer is given
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Positive charge
Negative charge
Neutral
First positive then negative
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Question # 15
Selenium is a
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Insulator
Photoconductor
Conductor
First insulator then conductor
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Question # 16
Concept of the electric field lines is introduced by
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Coulomb
Faraday
Einstein
Joseph henry
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Question # 17
If the distance between the two charged bodies is halved, the force between them becomes.
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Double
Half
Four times
One times
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Question # 18
Flux through any closed surface is:
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1/ε
2
∘
times the total charge enclosed in it
ε
2
∘
time the total charge enclosed in it
1/ε
∘
ties the total charge enclosed in ti
ε
∘
time the total charge enclosed in it
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