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Online Tests
Ics Part 2 Physics Chapter 1 Test Online MCQs With Answers
Question # 1
If the distance between two charges is halved and charges are also doubled, then force between them will be.
Choose an answer
Two time
Four time
Eight time
Sixteen time
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Question # 2
Dielectric constant
εr
for air is:
Choose an answer
1
1.006
1.0002
1.0006
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Question # 3
The leV =
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1.6x10-19C
1.6x10-11J
1.6x10-19J
1.6x10-11C
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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
A capacitor stores energy in the form of.
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Magnetic field
Heat energy
Electrical energy
Mechanical energy
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Question # 6
The relative permitivity of air is
Choose an answer
79.5
1.006
1.06
1.0006
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Question # 7
A force of 0.01 N is exerted on a charge 1.2 x 10
-5
C at a certain point. The electric field at that point is
Choose an answer
1.2 x 10
4
N/C
1.2 x 10
4
C/N
8.3 x 10
2
N/C
8.3 x 10
-2
N/C
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Question # 8
The electrical intensity is equal to:
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-Δr/Δv
Δv/Δr
Δv/Δv
-Δv/Δr
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Question # 9
Charge carriers in electrolytes are.
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Protons
Electrons
Holes
Positive and Negative ions
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Question # 10
SI unit of electric flux is.
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NmC
1
Nm
-1
C
1
Nm
2
C
-1
Nm
3
C
2
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Question # 11
In Millikan's oil drop experiment a charged particle of mass 'm' is in equilibrium in an will
Choose an answer
Zero
g/2
g
2g
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Question # 12
the force between two charge is 28 N. If paraffin wax of relative permittivity 2.8 is introduced between the charges as medium, then the force reduces to.
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25 N
20 N
10 N
15 N
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Question # 13
Concept of the electric field lines is introduced by
Choose an answer
Coulomb
Faraday
Einstein
Joseph henry
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Question # 14
The middle region of electric field is:
Choose an answer
Maximum field spot
Zero field spot
Perpendicular field spot
All of above
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Question # 15
Electro encephalon graph is the diagnostic test for the working of.
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Eye
Heart
Brain
Lungs
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Question # 16
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 # 17
Force per unit charge is called:
Choose an answer
Gravitational force
Electric field intensity
Coulomb's force
None of these
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Question # 18
If the potential difference across two plates of capacitor is doubled, then energy stored in it will be.
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Two times
Eight times
Four times
Remain same
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