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

An inkjet printer uses in its operation:

Question # 2

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

Question # 3

An example of photoconductor is:

Question # 4

The electric flux through any surface depends upon:

Question # 5

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

Question # 6

An important part of inkjet printer is:

Question # 7

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

Question # 8

The surface destiny of charge is defined is:

Question # 9

Which of the following substances has got positive temperature coefficient of resistance?

Question # 10

A thermistor is a resistor which is:

Question # 11

In case of metallic conductors, the change carries are:

Question # 12

An eV is unit of:

Question # 13

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

Question # 14

In gases, the charge carriers are:

Question # 15

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 # 16

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

Question # 17

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

Question # 18

Most practical applications of electricity involve

Question # 19

The value of relative permittivity of different dielectrics are:

Question # 20

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

Question # 21

A field free region is found:

Question # 22

The fourth band is a:

Question # 23

In case of metallic conductors, the charge carriers are

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

Aluminum is a:

Question # 28

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

Question # 29

Gaussian surface is always:

Question # 30

The obvious effect/s of current is/are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
3 When a constant potential difference is applied across the conductor, the drift velocity of electrons:
A.

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
4 An eV is unit of:
A.

Potential

B.

Energy

C.

Work

D.

Power
5 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
6

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

Primary cell

B.

Secondary cell

C.

Both (A) and (B)

D.

Photovoltaic cell
7 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
8 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
9 The free electrons in metals:
A.

Are in random motion and their speed depends upon temperature

B.

Move in particular direction

C.

Move with speed of light

D.

Move such that their speed does not depend on their temperature
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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  • 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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