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

The best conductor is:

Question # 2

The number of field lines passing through unit area held perpendicular to the field lines represent:

Question # 3

In case of metallic conductors, the charge carriers are

Question # 4

Magnetic effect of current is used:

Question # 5

Electrolysis is the study of conduction of electricity through:

Question # 6

The term drift velocity is used when the ends of a wire are:

Question # 7

An example of photoconductor is:

Question # 8

The third band of the colour code:

Question # 9

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

Question # 10

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

Question # 11

The surface destiny of charge is defined is:

Question # 12

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

Question # 13

In gases, the charge carries are:

Question # 14

The obvious effect/s of current is/are:

Question # 15

The charge carriers in an electrolyte are

Question # 16

An electric field is generated along the wire when:

Question # 17

A rheostat can e used:

Question # 18

The magnitude of chemical Effects depends upon:

Question # 19

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

Question # 20

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

Question # 21

In case of metallic conductors, the charge carriers are

Question # 22

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 # 23

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

Question # 24

As the current flow through the wire:

Question # 25

The emf is measured in:

Question # 26

As the current flows through the wire

Question # 27

Electric flux is:

Question # 28

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

Question # 29

Selenium is:

Question # 30

The earth’s potential and potential at infinity are taken:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The electric flux through any surface depends upon:
A.

Intensity of electric field

B.

Area of the surface

C.

Angle between intensity and area

D.

All of these
2

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
3 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
4 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
5 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
6 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
7

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

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

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:
A.

Circle

B.

Rectangle

C.

Sphere

D.

Box
10

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple

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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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