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Online Tests
Physics ICS Part 2 Chapter 12 Online MCQ's Test MCQs With Answers
Question # 1
Which material should be inserted between the plates of a capacitor in order to increase its capacitance.
Choose an answer
Copper
Mica
Iron
Tin
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Question # 2
If a charged body is moved against the electric field it will gain.
Choose an answer
P.E.
K.E.
Mechanical energy
Electrical potential energy
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Question # 3
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 # 4
Due to polarization, electric field E.
Choose an answer
Increase
Decrease
First increases then decreases
Remain same
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Question # 5
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:
Choose an answer
1884 ke V
1/1840 keV
1 keV
920 keV
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Question # 6
The photo copying process is called
Choose an answer
Xerography
Inkjet Printer
Both (a) and (b)
None of these
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Question # 7
Capacitance of a capacitor does not depend upon.
Choose an answer
Distance between plates
Area of plates
Electric field between plates
Medium between plates
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Question # 8
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 # 9
Electric potential at a distance ''r'' from ''q'' is:
Choose an answer
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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Question # 10
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 # 11
The "toner" of photocopier is given:
Choose an answer
Positive charge
Negative charge
Remains neutral
All of above
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Question # 12
The electric intensity at infinite distance from the point charge is
Choose an answer
Infinite
Zero
Positive
Negative
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Question # 13
Closeness of the electric field lines is the measure of.
Choose an answer
Direction of field
Strength of field
Potential difference
Uniformity of field
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Question # 14
The electric intensity due to two oppositely charged plates is
Choose an answer
None of these
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Question # 15
The electrical intensity is equal to:
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-Δr/Δv
Δv/Δr
Δv/Δv
-Δv/Δr
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Question # 16
The electric field lines are closer where the field is
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Strong
Weak
Uniform
Variable
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Question # 17
Net charge enclosed by Gaussian surface is:
Choose an answer
zero
maximum
depend on intensity
none of all
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Question # 18
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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