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Online Tests
Physics Fsc Part 2 Chapter 2 Online Test MCQs With Answers
Question # 1
Resistance tolerance for gold colour is.
Choose an answer
50%
30%
20%
5%
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Question # 2
Kirchhoff's voltage rule is a way of stating conservation of.
Choose an answer
Mass
Charge
Energy
Momentum
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Question # 3
The powers of two electric bulbs are 100w and 200w. Which are connected to power supply of 220 V. The ratio of resistance of their filament will be:
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1
:2
2
:1
1
:3
4
:3
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Question # 4
Drift velocity of electrons is.
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10
-1
m/s
10
-2
m/s
10
-3
m/s
10
3
m/s
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Question # 5
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 # 6
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 # 7
By increasing the temperature of conductor, the flow rate of charges.
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Increase
Remains constant
Decreases
Changes exponentially
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Question # 8
Two resistance of 2 Ohm each are connected in parallel combination equivalent resistance will be.
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4 Ohm
2 Ohm
1 Ohm
8 Ohm
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Question # 9
The reciprocal of resistance is called.
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Capacitance
Resistance
Conductance
Inductance
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Question # 10
Thermistor with high - ve temperature coefficient are very accurate for measuring low temperature especially near is.
Choose an answer
10 kelvin
70 kelvin
200 kelvin
35 kelvin
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Question # 11
A wire uniform cross-section. A length L and resistance R is cut into two equal parts. The resistivity of each part will be:
Choose an answer
Doubled
Halved
Remain the same
One fourth
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Question # 12
The head produced by the passage of current through a resistor is.
Choose an answer
H= I
2
Rt
H = IR
2
t
H = 1/Rt
H = I
2
/Rt
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Question # 13
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 # 14
The vessel containing the tow electrodes and liquid to known as.
Choose an answer
Chemical cell
Volt cell
Volta cell
Volta meter
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Question # 15
mho -m-1 is the unit of.
Choose an answer
Resistance
Resistivity
Conductance
Conductivity
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Question # 16
106 electrons are moving through a wire per second the current developed is:
Choose an answer
1.6 x 10-19 A
1 A
1.6 x 10-13A
106 A
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Question # 17
Heat generated by a 40 W bulb in one hour is.
Choose an answer
140 J
1440 J
14400 J
144000 J
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Question # 18
The color code of "Green"
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8
3
5
7
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