2nd Year Physics Chapter 13 Online MCQ Test for 12th Class Physics Chapter 13 (Current Electricity)

ICS Part 2 Physics
Chapter 13 Test

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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 13 Online MCQ's Test"

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Physics ICS Part 2 Chapter 13 Online MCQ's Test

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Question # 1

The head produced by the passage of current through a resistor is.

Question # 2

If 1 x 107 electrons passes through a conductor in 1.0 micro second , then the current is.

Question # 3

The potential difference between the head and tail of an electrical to

Question # 4

Kirchhoff's first rule is the manifestation of the law of conservation of.

Question # 5

The algebraic sum of potential change in a closed circuit is zero. 

Question # 6

If a charge Q flows through any cross section of the conductor in time t, the current I is

Question # 7

The resistivity of --------------------decrease with the increase in temp

Question # 8

The fraction change in resistance per Kelvin is known as:

Question # 9

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.

Question # 10

If the resistance of 500 Ohm have fourth band of silver colour then its upper maximum resistance will be.

Question # 11

For ohmic device the graph between V and I is.

Question # 12

Magnetic effect of current is used

Question # 13

When a wire of length 'l' and resistance R is cut into two equal parts then resistivity of each part.

Question # 14

Specific resistance of a material depends upon.

Question # 15

Unit (S.I) of temperature coefficient of resistivity of a material is

Question # 16

A substance having the negative temperature co efficient of resistivity out of the following is.

Question # 17

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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ICS Part 2 Physics Chapter 13 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Resistivity at a given temperature depends upon.
A. Area of cross section
B. Length
C. Nature of material of conductor
D. Both length and area
2 A rheostat can operate as.
A. Amplifier
B. Potential divider
C. Oscillator
D. Transformer
3 106 electrons are moving through a wire per second the current developed is:
A. 1.6 x 10-19 A
B. 1 A
C. 1.6 x 10-13A
D. 106 A
4 Kirchhoff's voltage rule is a way of stating conservation of.
A. Mass
B. Charge
C. Energy
D. Momentum
5 An ideal current source shall have resistance
A. Zero
B. Finite but not zero
C. Infinite
D. Depend upon requirement
6 When a wire is stretched and its radius becomes r/2, then its resistance will be
A. 16 R
B. 4 R
C. 2R
D. 0
7 The drift velocity is of order:
A. 10-13m/s
B. 103 m/s
C. 10-3m/s
D. 10-4m/s
8 A rheostat can be used as variable resistor as well as a-------------
A. Potential divider
B. Current divider
C. Wheat stone bridge
D. Power divider
9 The heat produced by passage of current. 
A. H=I2Rt
B. H=IR2T
C. H=I/Rt
D. H=I2/Rt
10 During electrolysis process, density of CuSO4 solution
A. Remains constant
B. Decreased
C. Increased
D. None of these

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