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

Question # 2

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:

Question # 3

What is the resistance of carbon resistor which has band brown black brown.

Question # 4

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

Question # 5

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

Question # 6

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 # 7

Semiconductor diodes are called:

Question # 8

Tolerance of "Gold" band.

Question # 9

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

Question # 10

The conventional current is due to the flow of

Question # 11

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

Question # 12

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

Question # 13

Heat sensitive resistors are called.

Question # 14

Potentiometer is used to.

Question # 15

A charged conductor has charge on its.

Question # 16

The product of resistance and conductance is

Question # 17

During electrolysis process, density of CuSO4 solution

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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 The unit of resistance is:
A. Ω
B. Ωm
C. Ω-1m-1
D. Ωm-1
2 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
3 Calculate current in 2 2R /4Ω resistor.
A. 1 A
B. 2R /4Ω
C. R/3Ω
D. 2R /3Ω
4 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:
A. 1:2
B. 2:1
C. 1:3
D. 4:3
5 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
6 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
7 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
8 The heat produced by passage of current. 
A. H=I2Rt
B. H=IR2T
C. H=I/Rt
D. H=I2/Rt
9 Drift velocity of electrons is.
A. 10-1 m/s
B. 10-2 m/s
C. 10-3 m/s
D. 103 m/s
10 The drift velocity is of order:
A. 10-13m/s
B. 103 m/s
C. 10-3m/s
D. 10-4m/s

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