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Online Tests
Ics Part 2 Physics Chapter 2 Test Online MCQs With Answers
Question # 1
Potentiometer is used to.
Choose an answer
Compare emf of two cells
Detect internal resistance of cell
Measure P.D.
All of these
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Question # 2
Kirchhoff's first rule is the manifestation of the law of conservation of.
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Mass
Charge
Energy
Momentum
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Question # 3
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 # 4
The condition for the wheatstone bridge to be balanced is given by
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None of above
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Question # 5
The Kirchhoff 1
st
rule is manifestation of:
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Law of conservation of mass
Law of Conservation of charge
Law of conservation of energy
None of above
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Question # 6
The value of maximum output power is?
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E/4R
E
2
/4R
E/4R
2
Non of above
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Question # 7
An ideal current source shall have resistance
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Zero
Finite but not zero
Infinite
Depend upon requirement
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Question # 8
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 # 9
The drift velocity is of order:
Choose an answer
10
-13
m/s
10
3
m/s
10
-3
m/s
10
-4
m/s
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Question # 10
The thermistors convert changes of temperature into.
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Light energy
Electric voltage
Heat
Sound
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Question # 11
The current through a resistance of 100 Ohm when connecting across a source of 220 V is.
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22000 A
22 A
2.2 A
0.45 A
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Question # 12
mho -m-1 is the unit of.
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Resistance
Resistivity
Conductance
Conductivity
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Question # 13
In carbon resistors, then value of Blue colour is.
Choose an answer
6
7
8
9
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Question # 14
The SI unit of resistivity is.
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Ohm m-2
Ohm m-1
Ohm m
Ohm
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Question # 15
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:
Choose an answer
(
ρ
1
+
ρ
2
)
1/
ρ
1
+ 1/
ρ
2
ρ
1
+
ρ
2
/2
ρ
1/
ρ
2
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Question # 16
5 A of current flows through a conductor in 2 minutes, charge in the wire is.
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500 C
600 C
400 C
10 C
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Question # 17
The unit of resistance is:
Choose an answer
Ω
Ωm
Ω
-1
m
-1
Ωm
-1
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Question # 18
When a wire of length 'l' and resistance R is cut into two equal parts then resistivity of each part.
Choose an answer
is doubled
Remains the same
Is halved
Is one fourth
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