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

Tick the correct statement:

Question # 2

In case of two identical charges placed certain distance apart, the electric field lines are:

Question # 3

Most practical applications of electricity involve

Question # 4

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

Question # 5

Gaussian surface is always:

Question # 6

A field free region is found:

Question # 7

Xerography means:

Question # 8

The electric flux through any surface depends upon:

Question # 9

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

Question # 10

In a metal, the valence electrons are:

Question # 11

In gases, the charge carriers are:

Question # 12

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

Question # 13

Selenium is:

Question # 14

Electrolysis is the study of conduction of electricity through:

Question # 15

The positive charge moving in one direction is equivalent in all external affects to a:

Question # 16

In gases, the charge carries are:

Question # 17

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 # 18

An important part of photocopier is:

Question # 19

The fourth band is a:

Question # 20

The magnitude of chemical Effects depends upon:

Question # 21

As the current flow through the wire:

Question # 22

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

Question # 23

Which instrument is expensive and difficult to use?

Question # 24

In a metal, the valence electrons are:

Question # 25

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

Question # 26

An important part of inkjet printer is:

Question # 27

The charge carriers in an electrolyte are

Question # 28

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

Question # 29

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

Question # 30

The flux through a closed surface depends upon:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
2 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)
3 The strength of magnetic field at certain points around a wire depends upon:
A.

Value of current passing

B.

Distance from the current element

C.

Color of the material

D.

Both (A) and (B)
4 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
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 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
7

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

Decreasing from zero to maximum

B.

Increasing from zero to maximum

C.

Decreasing from maximum to zero

D.

Increasing from maximum to zero
8 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
9

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)
10

The obvious effect/s of current is/are:
A.

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)

Test Questions

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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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