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

Most practical application of electricity involve

Question # 2

The obvious effect/s of current is/are:

Question # 3

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

Question # 4

Which instrument is expensive and difficult to use?

Question # 5

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

Question # 6

The passage of current is accompanied by a magnetic field in the surrounding space:

Question # 7

A rheostat can e used:

Question # 8

In a metal, the valence electrons are:

Question # 9

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

Question # 10

In case of metallic conductors, the charge carriers are

Question # 11

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:

Question # 12

The value of resistivity is the least for:

Question # 13

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

Question # 14

The flux through a closed surface depends upon:

Question # 15

An ideal voltmeter has:

Question # 16

In gases, the charge carriers are:

Question # 17

Magnetic effect of current is used:

Question # 18

Most practical applications of electricity involve

Question # 19

In gases, the charge carries are:

Question # 20

An inkjet printer uses in its operation:

Question # 21

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

Question # 22

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

Question # 23

In case of metallic conductors, the charge carriers are

Question # 24

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

Question # 25

The current that flows through the coil of a motor causes:

Question # 26

The current that flows through the coil of a motor causes

Question # 27

The value of relative permittivity of different dielectrics are:

Question # 28

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

Question # 29

A field free region is found:

Question # 30

Static electricity is produced by the transfer of:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

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

The ends of the wire only

B.

Mid points of the wire only

C.

Every point within the wire

D.

At nodes only
3 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
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 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
6 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
7 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
8 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
9 Tick the correct statement:
A.

Both the potential and potential difference is scalars

B.

Potential is a scalar but potential difference is a vector

C. Both are vectors

D.

Potential is vector but potential difference is scalar
10 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

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