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

In case of metallic conductors, the charge carriers are

Question # 2

The flux through a closed surface depends upon:

Question # 3

The charge carries in the electrolyte are:

Question # 4

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

Question # 5

A rheostat can e used:

Question # 6

The charge carriers in an electrolyte are

Question # 7

Which instrument is expensive and difficult to use?

Question # 8

The obvious effect/s of current is/are:

Question # 9

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

Question # 10

An important part of photocopier is:

Question # 11

Kirchhoff's first rule is also called:

Question # 12

The value of relative permittivity of different dielectrics are:

Question # 13

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

Question # 14

In case of metallic conductors, the change carries are:

Question # 15

In case of metallic conductors, the charge carriers are

Question # 16

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

Question # 17

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

Question # 18

Two dissimilar metals joined at their ends kept at constant temperature constitute:

Question # 19

Heating effect of current utilized in:

Question # 20

An example of photoconductor is:

Question # 21

Aluminum is a:

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

Electrolysis is the study of conduction of electricity through:

Question # 26

The magnitude of chemical Effects depends upon:

Question # 27

Tick the correct statement:

Question # 28

Electric flux is:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
3 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
4 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
5

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

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion
6 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
7 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
8 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
9

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

Be zero

B.

Be maintained constant

C.

Goes on increasing

D.

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

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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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