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

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

Question # 2

The flux through a closed surface depends upon:

Question # 3

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 # 4

When a constant potential difference is applied across the conductor, the drift velocity of electrons:

Question # 5

The best conductor is:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

The obvious effect/s of current is/are:

Question # 11

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

Question # 12

An inkjet printer uses in its operation:

Question # 13

The third band of the colour code:

Question # 14

The fourth band is a:

Question # 15

Selenium is:

Question # 16

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

Question # 17

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

Question # 18

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 # 19

An eV is unit of:

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

The charge carries in the electrolyte are:

Question # 26

The magnitude of chemical Effects depends upon:

Question # 27

The term drift velocity is used when the ends of a wire are:

Question # 28

The value of relative permittivity of different dielectrics are:

Question # 29

Electric field lines emerge from the charge in:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 In a metal, the valence electrons are:
A.

Attach to individual atoms

B.

Not attached to individual atoms

C.

Free to move within the metal

D.

Both (A) and (C)
2

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

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

The ends of the wire only

B.

Mid points of the wire only

C.

Every point within the wire

D.

At nodes only
5 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
6

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
7

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
8

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
9 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
10 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head

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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