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

The unit of resistance is:

Question # 2

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 # 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

The conventional current is due to the flow of

Question # 5

Drift velocity of electrons is.

Question # 6

In gas the charge carriers are:

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

One ohm is equal to

Question # 11

Thermosouple is an arrangement of two different metals:

Question # 12

The vessel containing the tow electrodes and liquid to known as.

Question # 13

A rheostat can operate as.

Question # 14

The value of maximum output power is?

Question # 15

When a pot difference of 4 volt is applied across resistance, 10 J of energy is converted Find charge flows

Question # 16

By increasing the temperature of conductor, the flow rate of charges.

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 In carbon resistors, then value of Blue colour is.
A. 6
B. 7
C. 8
D. 9
2 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
3 Specific resistance of a material depends upon.
A. Length
B. Area
C. Temperature
D. Both A and B
4 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
5 the current which flows from a point at higher. potential to point at lower potential is called.
A. Electric current
B. Conventional current
C. Either of these
D. None of above
6 The product of resistance and conductance is
A. 1
B. Resistivity
C. Conductance
D. Zero
7 The SI unit of resistivity is.
A. Ohm m-2
B. Ohm m-1
C. Ohm m
D. Ohm
8 Seven resistances are connected as shown in the figures . THe equivalent resistance between A and B is:
A. 3Ω
B. 4Ω
C. 4.5Ω
D. 5Ω
9 Magnetic effect of current is used in.
A. Toaster
B. Electric iron
C. Electric motor
D. D.C. Battery
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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