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

Field lines are closer to each other in the region where the field is:

Question # 2

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 # 3

Selenium is:

Question # 4

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

Question # 5

In case of metallic conductors, the change carries are:

Question # 6

The fourth band is a:

Question # 7

The value of relative permittivity of different dielectrics are:

Question # 8

Heating effect of current utilized in:

Question # 9

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

Question # 10

An important part of inkjet printer is:

Question # 11

The surface destiny of charge is defined is:

Question # 12

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

Question # 13

Gaussian surface is always:

Question # 14

The best conductor is:

Question # 15

An electric field is generated along the wire when:

Question # 16

Aluminum is a:

Question # 17

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

Question # 18

The obvious effect/s of current is/are:

Question # 19

Thermistors are prepared under

Question # 20

Tick the correct statement:

Question # 21

As the current flow through the wire:

Question # 22

The inkjet printer ejects a thin stream of:

Question # 23

A rheostat can e used:

Question # 24

The electric flux through any surface depends upon:

Question # 25

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

Question # 26

The third band of the colour code:

Question # 27

Electric flux is:

Question # 28

If the ends of a wire are connected to a battery an electric field E will be set up at:

Question # 29

An important part of photocopier is:

Question # 30

The rate at which the free electrons pass through any section of a metallic wire from right to left is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
2 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
3 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
4 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
5

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
6

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)
7 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
8 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
9

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

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
10 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions

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