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Online Tests
Physics Fsc Part 2 Chapter 1 Online Test MCQs With Answers
Question # 1
A capacitor is perfect in insulator for.
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Alternating current
Sparking current
Eddy current
Direct current
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Question # 2
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 # 3
When the medium is insulator the elecrostatic force between the charges is
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Decreased
Zero
Increased
None of above
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Question # 4
The electrons in one coulomb change is equal to.
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1.6 x 10
-19
2.25 x 10
-19
6.25 x 10
-18
6.25 x 10
-19
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Question # 5
Photo copier and inkjet printer are the applications of
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Magnetism
Electricity
`.Electro magnetism
Electrostatics
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Question # 6
The force of Neutron due to field of 10
2
N/C is.
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1.6 x 10
-17
N
1.6 x 10
-19
N
Zero
1.6 x 10
-21
N
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Question # 7
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 # 8
Dielectric constant
εr
for air is:
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1
1.006
1.0002
1.0006
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Question # 9
The electric field lines are closer where the field is
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Strong
Weak
Uniform
Variable
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Question # 10
If F1 and F2 are teh magnetic forces acting on a particle and electron respectively when moving perpendicular to the magnetic field then.
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F1=F2
F1>F2
F1<F2
F1 = 4F2
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Question # 11
In Millikan's oil drop experiment a charged particle of mass 'm' is in equilibrium in an will
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Zero
g/2
g
2g
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Question # 12
Concept of electric field lines was given by:
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Michelson
Henry
Michael faraday
Oersted
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Question # 13
When some di electric is inserted between the plates of a capacitor, then capacitance.
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Decreases
Increases
Becomes zero
Becomes infinity
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Question # 14
The number of electrons in one coulomb charge is equal to
Choose an answer
6.2 x 10
18
electrons
Zero electrons
1.6 x 10
-22
electrons
6.2 x 10
21
electrons
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Question # 15
A one microfarad capacitor of a TV is subjected to 4000 V potencial difference.The energy stored in capacitor is:
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8 j
16 j
4 x 10
-3
j
2 x 10
-3
j
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Question # 16
A changing electric flux creates.
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Electric fields
Gravitational
Magnetic field
Electric charge
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Question # 17
The quantity time constant RC has units of.
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Charge
Time
Capacitance
Resistance
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Question # 18
The capacitance of a capacitor depends upon.
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Thickness of plates
Charges on the plates
Voltage applied
Geometry of the capacitor
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