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

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

Question # 3

The free electrons in metals:

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

The value of relative permittivity of different dielectrics are:

Question # 11

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

Question # 12

The flux through a closed surface depends upon:

Question # 13

The charge carries in the electrolyte are:

Question # 14

The surface destiny of charge is defined is:

Question # 15

The emf is measured in:

Question # 16

In gases, the charge carriers are:

Question # 17

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

Question # 18

An inkjet printer uses in its operation:

Question # 19

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

Question # 20

Most practical applications of electricity involve

Question # 21

Electric field lines emerge from the charge in:

Question # 22

The magnitude of chemical Effects depends upon:

Question # 23

An important part of photocopier is:

Question # 24

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

Question # 25

In a metal, the valence electrons are:

Question # 26

The fourth band is a:

Question # 27

The third band of the colour code:

Question # 28

Xerography means:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Selenium is:
A.

An insulator

B.

A conductor

C.

Insulator in the dark and becomes conductor when exposed to light

D.

Conductor in the dark only
2

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
3

The effects of bends in a wire on its electrical resistance are:
A.

Zero

B.

Much larger

C.

Larger

D.

Smaller
4 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
5 The conventional current is the name given to current due to flow of
A. Positrons
B. Positive charges
C. Negative charges
D. Both A and C
6 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)
7

In case of metallic conductors, the change carries are:
A.

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
8

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
9 The current that flows through the coil of a motor causes
A. Its shaft to revolve
B. Its brushes to rotate
C. Motor to move
D. Its shaft to rotate
10 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C

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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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