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Online Tests
Physics Fsc Part 2 Chapter 2 Online Test MCQs With Answers
Question # 1
When a pot difference of 4 volt is applied across resistance, 10 J of energy is converted Find charge flows
Choose an answer
0.20 C
2.5 C
5.0 C
10.0 C
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Question # 2
The vessel containing the tow electrodes and liquid to known as.
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Chemical cell
Volt cell
Volta cell
Volta meter
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Question # 3
Potentiometer is used to.
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Compare emf of two cells
Detect internal resistance of cell
Measure P.D.
All of these
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Question # 4
The unit of resistance is:
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Ω
Ωm
Ω
-1
m
-1
Ωm
-1
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Question # 5
If the resistance of 500 Ohm have fourth band of silver colour then its upper maximum resistance will be.
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600 Ohm
550 Ohm
450 Ohm
400 Ohm
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Question # 6
Semiconductor diodes are called:
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Ohmic
non ohmic
Both a & b
none of above
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Question # 7
The SI unit of resistivity is.
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Ohm m-2
Ohm m-1
Ohm m
Ohm
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Question # 8
Unit (S.I) of temperature coefficient of resistivity of a material is
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K
K
-1
o
C
K
-2
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Question # 9
Heat energy is converted into electrical energy.
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Solar cells
thermocouples
Electric generators
None of above
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Question # 10
Calculate current in 2 2R /4Ω resistor.
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1 A
2R /4Ω
R/3Ω
2R /3Ω
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Question # 11
The color code of "Green"
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8
3
5
7
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Question # 12
If 1 x 10
7
electrons passes through a conductor in 1.0 micro second , then the current is.
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2 A
1.6 A
2.6 x 10
-6
A
1.6 x 10
-6
A
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Question # 13
Resistivity at a given temperature depends upon.
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Area of cross section
Length
Nature of material of conductor
Both length and area
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Question # 14
A charged conductor has charge on its.
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Inner surface
Outer surface
Middle surface
Surrounding space
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Question # 15
Colour codes are used to calculate the.
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Nature of resistor
Numerical value of resistance
Potential difference
Current
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Question # 16
When a wire is stretched and its radius becomes r/2, then its resistance will be
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16 R
4 R
2R
0
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Question # 17
For ohmic device the graph between V and I is.
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A straight line
Curve
Hyperbola
Parabola
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Question # 18
Magnetic effect of current is used in.
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Toaster
Electric iron
Electric motor
D.C. Battery
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