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

As the current flows through the wire

Question # 2

The charge carriers in an electrolyte are

Question # 3

The best conductor is:

Question # 4

Most practical applications of electricity involve

Question # 5

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

Question # 6

Electric flux is:

Question # 7

Static electricity is produced by the transfer of:

Question # 8

SI unit of current describes the flow of charge at the rate of

Question # 9

The charge carries in the electrolyte are:

Question # 10

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

Question # 11

The current that flows through the coil of a motor causes

Question # 12

The third band of the colour code:

Question # 13

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

Question # 14

Selenium is:

Question # 15

Electrolysis is the study of conduction of electricity through:

Question # 16

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

Question # 17

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

Question # 18

The value of relative permittivity of different dielectrics are:

Question # 19

An important part of photocopier is:

Question # 20

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

Question # 21

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

Question # 22

The fourth band is a:

Question # 23

The rate at which the free electrons pass through any section of a metallic wire from right to left is:

Question # 24

In case of metallic conductors, the change carries are:

Question # 25

An inkjet printer uses in its operation:

Question # 26

In gases, the charge carries are:

Question # 27

The free electrons in metals:

Question # 28

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

Question # 29

In case of metallic conductors, the charge carriers are

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
2 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
3 The number of field lines passing through unit area held perpendicular to the field lines represent:
A.

Flux in that region

B.

Intensity of the field

C.

Charge

D.

Area of the region
4 The positive charge moving in one direction is equivalent in all external affects to a:
A.

Negative charge is moving in the same direction

B.

Positive charge is moving in the opposite direction

C.

Negative charge moving in the opposite direction

D.

Positive charges moving in the same direction
5 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
6

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
7 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
8

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

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion
9

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
10

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge

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