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

00:00
Question # 1

Magnetic effect of current is used

Question # 2

Ampere second stands for the unit of.

Question # 3

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

Question # 4

Semiconductor diodes are called:

Question # 5

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

Question # 6

When a wire is stretched and its radius becomes r/2, then its resistance will be

Question # 7

A charged conductor has charge on its.

Question # 8

Which one of the following bulbs has the least resistance.

Question # 9

The free electrons experience force.

Question # 10

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

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:

Question # 12

mho -m-1 is the unit of.

Question # 13

Terminal potential difference is greater than emf of the cell when

Question # 14

5 A of current flows through a conductor in 2 minutes, charge in the wire is.

Question # 15

The unit of conductivity 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

Potentiometer is used to.

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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 If 1 x 107 electrons passes through a conductor in 1.0 micro second , then the current is.
A. 2 A
B. 1.6 A
C. 2.6 x 10-6 A
D. 1.6 x 10-6 A
2 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
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 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
5 The unit of temperature co efficient of resistivity is.
A. Ohm -m
B. K-1
C. K
D. Ohm
6 When a wire of length 'l' and resistance R is cut into two equal parts then resistivity of each part.
A. is doubled
B. Remains the same
C. Is halved
D. Is one fourth
7 The free electrons experience force.
A. In direction of -E
B. In direction of E
C. Both A and B
D. All of the above
8 The product of resistance and conductance is
A. 1
B. Resistivity
C. Conductance
D. Zero
9 The unit of resistance is:
A. Ω
B. Ωm
C. Ω-1m-1
D. Ωm-1
10 The fraction change in resistance per Kelvin is known as:
A. Temperature coefficient of Resistance
B. Coefficient of voltage of change
C. Thermal  expansion
D. All of the above 

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