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Online Tests
Physics Fsc Part 2 Chapter 2 Online Test MCQs With Answers
Question # 1
One ohm is equal to
Choose an answer
VC-1
CV-1
AC-1
VA
-1
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Question # 2
Specific resistance of a material depends upon.
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Length
Area
Temperature
Both A and B
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Question # 3
Resistance tolerance of silver band is.
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10%
6%
7%
5%
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Question # 4
The resistivity of two wires is
ρ
1
and
ρ
2
which are connected in series. If there dimentions are same then the equivalent resistivity of the combination will be:
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(
ρ
1
+
ρ
2
)
1/
ρ
1
+ 1/
ρ
2
ρ
1
+
ρ
2
/2
ρ
1/
ρ
2
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Question # 5
The unit of temperature co efficient of resistivity is.
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Ohm -m
K-1
K
Ohm
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Question # 6
The heat produced by passage of current.
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H=I
2
Rt
H=IR2T
H=I/Rt
H=I
2
/Rt
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Question # 7
In carbon resistors, then value of Blue colour is.
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6
7
8
9
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Question # 8
What is the resistance of carbon resistor which has band brown black brown.
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100 Ohm
1000 Ohm
10 Ohm
1.0 Ohm
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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
A charged conductor has charge on its.
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Inner surface
Outer surface
Middle surface
Surrounding space
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Question # 11
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 # 12
Thermistor with high - ve temperature coefficient are very accurate for measuring low temperature especially near is.
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10 kelvin
70 kelvin
200 kelvin
35 kelvin
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Question # 13
Seven resistances are connected as shown in the figures . THe equivalent resistance between A and B is:
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3Ω
4Ω
4.5Ω
5Ω
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