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

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Question # 1

106 electrons are moving through a wire per second the current developed is:

Question # 2

Two resistance of 2 Ohm each are connected in parallel combination equivalent resistance will be.

Question # 3

Magnetic effect of current is used in.

Question # 4

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

Question # 5

The color code of "Green"

Question # 6

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

Question # 7

The reciprocal of resistance is called.

Question # 8

The current flowing through each resistor of equal resistance in parallel combination is.

Question # 9

An ideal current source shall have resistance

Question # 10

For ohmic device the graph between V and I is.

Question # 11

mho -m-1 is the unit of.

Question # 12

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

Question # 13

Specific resistance of a material depends upon.

Question # 14

Kirchhoff's voltage rule is a way of stating conservation of.

Question # 15

The unit of resistance is:

Question # 16

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 # 17

A wire uniform cross-section. A length L and resistance R is cut into two equal parts. The resistivity of each part 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
1 106 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
2 The unit of resistance is:
A. Ω
B. Ωm
C. Ω-1m-1
D. Ωm-1
3 For ohmic device the graph between V and I is.
A. A straight line
B. Curve
C. Hyperbola
D. Parabola
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.
A. 1/4 R
B. 4R
C. 2R
D. Same as R
5 Two resistance of 2 Ohm each are connected in parallel combination equivalent resistance will be.
A. 4 Ohm
B. 2 Ohm
C. 1 Ohm
D. 8 Ohm
6 Resistance tolerance of silver band is.
A. 10%
B. 6%
C. 7%
D. 5%
7 Tolerance of "Gold" band.
A. ±10%
B. ±5%
C. ±15%
D. ±20%
8 Magnetic effect of current is used
A. To detect a current
B. To measure a current
C. In electric motor
D. All of above
9 The resistivity of two wires isρ1 andρ2 which are connected in series. If there dimentions are same then the equivalent resistivity of the combination will be:
A. (ρ1 +ρ2)
B. 1/ρ1+ 1/ρ2
C. ρ1+ρ2/2
D. ρ1/ρ2
10 The Kirchhoff 1st rule is manifestation of:
A. Law of conservation of mass
B. Law of Conservation of charge
C. Law of conservation of energy
D. None of above

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