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Online Tests
Ics Part 2 Physics Chapter 2 Test Online MCQs With Answers
Question # 1
Electric power:
Choose an answer
Vx1
V
2
x1
V/1
V/1
2
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Question # 2
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 # 3
The current through a resistance of 100 Ohm when connecting across a source of 220 V is.
Choose an answer
22000 A
22 A
2.2 A
0.45 A
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Question # 4
A certain wire has a resistance R, the resistivity of an other wire of an identical material with the first, except for twice its diameter is.
Choose an answer
1/4 R
4R
2R
Same as R
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Question # 5
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 # 6
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 # 7
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 # 8
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 # 9
Specific resistance of a material depends upon.
Choose an answer
Length
Area
Temperature
Both A and B
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Question # 10
The heat produced by passage of current.
Choose an answer
H=I
2
Rt
H=IR2T
H=I/Rt
H=I
2
/Rt
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Question # 11
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:
Choose an answer
1
:2
2
:1
1
:3
4
:3
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Question # 12
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 # 13
In carbon resistors, then value of Blue colour is.
Choose an answer
6
7
8
9
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Question # 14
A substance having the negative temperature co efficient of resistivity out of the following is.
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Carbon
Iron
Tungsten
Gold
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Question # 15
During electrolysis process, density of CuSO
4
solution
Choose an answer
Remains constant
Decreased
Increased
None of these
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Question # 16
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 # 17
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 # 18
A rheostat can operate as.
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Amplifier
Potential divider
Oscillator
Transformer
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