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Online Tests
Ics Part 2 Physics Chapter 2 Test Online MCQs With Answers
Question # 1
In carbon resistors, then value of Blue colour is.
Choose an answer
6
7
8
9
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Question # 2
Tolerance of "Gold" band.
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±10%
±5%
±15%
±20%
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Question # 3
Calculate current in 2 2R /4Ω resistor.
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1 A
2R /4Ω
R/3Ω
2R /3Ω
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Question # 4
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 # 5
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 # 6
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 # 7
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 # 8
A charged conductor has charge on its.
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Inner surface
Outer surface
Middle surface
Surrounding space
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Question # 9
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 # 10
Semiconductor diodes are called:
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Ohmic
non ohmic
Both a & b
none of above
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Question # 11
Three resistors of resistance R each are combined in various ways, Which of the following cannot be obtained?
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3 RΩ
2R /4Ω
R/3Ω
2R /3Ω
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Question # 12
The resistivity of --------------------decrease with the increase in temp
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Gold
Silver
Copper
Silicon
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Question # 13
mho -m-1 is the unit of.
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Resistance
Resistivity
Conductance
Conductivity
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Question # 14
106 electrons are moving through a wire per second the current developed is:
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1.6 x 10-19 A
1 A
1.6 x 10-13A
106 A
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Question # 15
Heat sensitive resistors are called.
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resistors
Capacitor
Thermistors
Inductors
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Question # 16
The unit of conductivity is:
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Ohm
-3
m
-1
Ohm m
-1
Both a and b
Ohm m
-1
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Question # 17
A rheostat can be used as variable resistor as well as a-------------
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Potential divider
Current divider
Wheat stone bridge
Power divider
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