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

If the ends of a wire are connected to a battery an electric field E will be set up at:

Question # 2

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

Question # 3

In gases, the charge carries are:

Question # 4

Thermistors are prepared under

Question # 5

An eV is unit of:

Question # 6

In case of metallic conductors, the change carries are:

Question # 7

When two spherical conducting balls at different potentials are joined by a metallic wire, after some time:

Question # 8

While finding the electric intensity at a point between two oppositely charged parallel plates, the Gaussian surface is taken in the form of a hollow:

Question # 9

As the current flows through the wire

Question # 10

An ideal voltmeter has:

Question # 11

When a constant potential difference is applied across the conductor, the drift velocity of electrons:

Question # 12

In case of metallic conductors, the charge carriers are

Question # 13

When certain area A is held parallel to the field lines, then:

Question # 14

A field free region is found:

Question # 15

A rheostat can e used:

Question # 16

Which instrument is expensive and difficult to use?

Question # 17

When a constant potential difference is applied across the conductor, the drift velocity of electrons:

Question # 18

When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:

Question # 19

Electrostatics is the branch of physics which deals with the study of electro charges:

Question # 20

The best conductor is:

Question # 21

In order to have a constant current through wire, the potential difference across its end should:

Question # 22

The emf is measured in:

Question # 23

Tick the correct statement:

Question # 24

The inkjet printer ejects a thin stream of:

Question # 25

In case of metallic conductors, the charge carriers are

Question # 26

Field lines are closer to each other in the region where the field is:

Question # 27

The obvious effect/s of current is/are:

Question # 28

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

Question # 29

An important part of inkjet printer is:

Question # 30

Selenium is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
2 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
3

The example/s of non-electrical energy to electrical is/are:
A.

Chemical energy

B.

Mechanical energy

C.

Heat energy

D.

Both (A) and (B)
4

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
5 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
6

In case of metallic conductors, the change carries are:
A.

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
7 In a metal, the valence electrons are:
A. Attached to individual atoms
B. Not attached to individual atoms
C. Free to move within the metal
D. Both A and B
8 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
9

The effects of bends in a wire on its electrical resistance are:
A.

Zero

B.

Much larger

C.

Larger

D.

Smaller
10 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma

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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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