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

Question # 2

An eV is unit of:

Question # 3

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

Question # 4

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

Question # 5

Static electricity is produced by the transfer of:

Question # 6

The inkjet printer ejects a thin stream of:

Question # 7

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

Question # 8

Xerography means:

Question # 9

In gases, the charge carries are:

Question # 10

As the current flow through the wire:

Question # 11

An electric field is generated along the wire when:

Question # 12

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

Question # 13

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

Question # 14

The value of relative permittivity of different dielectrics are:

Question # 15

The magnitude of chemical Effects depends upon:

Question # 16

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 # 17

An important part of photocopier is:

Question # 18

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

Question # 19

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

Question # 20

Electric flux is:

Question # 21

Most practical applications of electricity involve

Question # 22

As the current flows through the wire

Question # 23

In case of metallic conductors, the charge carriers are

Question # 24

In a metal, the valence electrons are:

Question # 25

Magnetic effect of current is used:

Question # 26

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

Question # 27

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

Question # 28

A rheostat can e used:

Question # 29

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:

Question # 30

The emf is measured in:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
2 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
3

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
4 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
5 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
6

The obvious effect/s of current is/are:
A.

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
7 When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:
A.

Decreases

B.

Increases

C.

Remains the constant

D.

Either of these
8 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
9 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
10

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

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons

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