ECAT Pre Engineering Physics Chapter 13 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 13 Current Electricity

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 13 Current Electricity

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Physics ECAT Pre Engineering Chapter 13 Current Electricity

00:00
Question # 1

A rheostat can e used:

Question # 2

An important part of inkjet printer is:

Question # 3

The surface destiny of charge is defined is:

Question # 4

Two dissimilar metals joined at their ends kept at constant temperature constitute:

Question # 5

In case of metallic conductors, the change carries are:

Question # 6

Electrolysis is the study of conduction of electricity through:

Question # 7

In a metal, the valence electrons are:

Question # 8

Heating effect of current utilized in:

Question # 9

The quantity having the same unit as that of emf is:

Question # 10

Most practical application of electricity involve

Question # 11

The magnitude of chemical Effects depends upon:

Question # 12

The flux through a closed surface depends upon:

Question # 13

The positive charge moving in one direction is equivalent in all external affects to a:

Question # 14

The value of resistivity is the least for:

Question # 15

The best conductor is:

Question # 16

Conversion of chemical energy to electrical energy can be achieved by:

Question # 17

Kirchhoff's first rule is also called:

Question # 18

The charge carries in the electrolyte are:

Question # 19

Certain charge +q is placed at the center of a sphere. At each of the sphere,The directions of electric intensity and vector area are:

Question # 20

A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s

Question # 21

The interior of a hollow charged metal sphere is a region which:

Question # 22

Tick the correct statement:

Question # 23

The current of 1 ampere is passing through a conductor. The charge passing through it in half a minute is:

Question # 24

The conventional current is the name given to current due to flow of

Question # 25

The charge carriers in an electrolyte are

Question # 26

The strength of magnetic field at certain points around a wire depends upon:

Question # 27

Another mean of electric potential energy per unit charge is given by:

Question # 28

In gases, the charge carries are:

Question # 29

Electric field lines emerge from the charge in:

Question # 30

Most practical applications of electricity involve

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

The device which can convert heat energy into electrical energy is called:
A.

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
2 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
3 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
4

The current of 1 ampere is passing through a conductor. The charge passing through it in half a minute is:
A.

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs
5 In a metal, the valence electrons are:
A.

Attach to individual atoms

B.

Not attached to individual atoms

C.

Free to move within the metal

D.

Both (A) and (C)
6 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
7 A field free region is found:
A.

Near the outer surface of a hollow charged metal sphere

B.

In the interior of solid metal uncharged sphere

C.

In the interior of solid metal charged sphere

D.

Both (A) and (B)
8 When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:
A.

Decreases

B.

Increases

C.

Remains the constant

D.

Either of these
9 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
10 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above

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  • Hamza

    Hamza

    17 Aug 2019

    It has many error

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  • Salmankhan

    Salmankhan

    02 Feb 2018

    Sir g plz correct this mcq the device which convert electrical into machinical is called moter but here the answer is generator

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