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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Physics ICS Part 2 Chapter 13 Online MCQ's Test

00:00
Question # 1

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

Question # 2

The SI unit of resistivity is.

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:

Question # 4

Resistivity at a given temperature depends upon.

Question # 5

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

Question # 6

The current through a resistance of 100 Ohm when connecting across a source of 220 V is.

Question # 7

Calculate current in 2 2R /4Ω resistor.

Question # 8

In gas the charge carriers are:

Question # 9

The conventional current is due to the flow of

Question # 10

mho -m-1 is the unit of.

Question # 11

Ampere second stands for the unit of.

Question # 12

The Kirchhoff 1st rule is manifestation of:

Question # 13

One ohm is equal to

Question # 14

The thermistors convert changes of temperature into.

Question # 15

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

Question # 16

A rheostat can be used as variable resistor as well as a-------------

Question # 17

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

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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 mho -m-1 is the unit of.
A. Resistance
B. Resistivity
C. Conductance
D. Conductivity
3 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.
A. 1/4 R
B. 4R
C. 2R
D. Same as R
4 For non-ohmic devices, the graph between V and I is
A. Not a straight line
B. A straight line
C. A curve
D. All of above
5 Magnetic effect of current is used in.
A. Toaster
B. Electric iron
C. Electric motor
D. D.C. Battery
6 The algebraic sum of potential change in a closed circuit is zero. 
A. Kirchhoff's 1st rule
B. Kirchhoff 2nd rule
C. Krichoff's 3rd rule
D. Kirchhoff 4th  rule
7 Drift velocity of electrons is.
A. 10-1 m/s
B. 10-2 m/s
C. 10-3 m/s
D. 103 m/s
8 Kirchhoff's voltage rule is a way of stating conservation of.
A. Mass
B. Charge
C. Energy
D. Momentum
9 5 A of current flows through a conductor in 2 minutes, charge in the wire is.
A. 500 C
B. 600 C
C. 400 C
D. 10 C
10 The conventional current is due to the flow of
A. Atoms and molecules
B. Positive charge
C. Negative charge
D. Bot (b) and (c)

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