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 free electrons in metals:

Question # 3

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

Question # 4

Heating effect of current utilized in:

Question # 5

An important part of photocopier is:

Question # 6

Thermistors are prepared under

Question # 7

Aluminum is a:

Question # 8

An important part of inkjet printer is:

Question # 9

Electric flux is:

Question # 10

Selenium is:

Question # 11

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

Question # 12

The value of relative permittivity of different dielectrics are:

Question # 13

An inkjet printer uses in its operation:

Question # 14

The interior of a hollow charged metal sphere is a region which:

Question # 15

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

Question # 16

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

Question # 17

The surface destiny of charge is defined is:

Question # 18

The obvious effect/s of current is/are:

Question # 19

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

Question # 20

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

Question # 21

In gases, the charge carries are:

Question # 22

An electric field is generated along the wire when:

Question # 23

As the current flow through the wire:

Question # 24

Gaussian surface is always:

Question # 25

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

Question # 26

In gases, the charge carriers are:

Question # 27

The third band of the colour code:

Question # 28

Electric field lines emerge from the charge in:

Question # 29

The value of resistivity is the least for:

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 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)
2 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
3 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
4

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
5 An eV is unit of:
A.

Potential

B.

Energy

C.

Work

D.

Power
6 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
7 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
8

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
9 The earth’s potential and potential at infinity are taken:
A.

Equal

B.

Zero

C.

First is greater than the second

D.

Second is greater than the first
10 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum

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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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