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 important part of photocopier is:

Question # 2

In a metal, the valence electrons are:

Question # 3

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

Question # 4

Selenium is:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

Which instrument is expensive and difficult to use?

Question # 10

Kirchhoff's first rule is also called:

Question # 11

The free electrons in metals:

Question # 12

Gaussian surface is always:

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

The third band of the colour code:

Question # 17

Electric field lines emerge from the charge in:

Question # 18

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

Question # 19

The flux through a closed surface depends upon:

Question # 20

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

Question # 21

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

Question # 22

An important part of inkjet printer is:

Question # 23

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

Question # 24

A rheostat can e used:

Question # 25

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:

Question # 26

Most practical application of electricity involve

Question # 27

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

Question # 28

The value of relative permittivity of different dielectrics are:

Question # 29

The charge carriers in an electrolyte are

Question # 30

As the current flow through the wire:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Chemical energy

B.

Mechanical energy

C.

Heat energy

D.

Both (A) and (B)
2 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)
3

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)
4 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
5 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
6 A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s
A. One coulomb
B. 0.5 coulomb
C. 30 coulombs
D. 2 coulombs
7 As the current flow through the wire:
A.

It generates heat in the wire

B.

It produces sound in the wire

C.

Resistance of the wire decreases

D.

Voltage across the ends is increased
8

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
9 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
10

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

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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