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 free electrons in metals:

Question # 2

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

Question # 3

A field free region is found:

Question # 4

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

Question # 5

In a metal, the valence electrons are:

Question # 6

The best conductor is:

Question # 7

The third band of the colour code:

Question # 8

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

Question # 9

Xerography means:

Question # 10

A thermistor is a resistor which is:

Question # 11

In case of metallic conductors, the change carries are:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Electric flux is:

Question # 16

Heating effect of current utilized in:

Question # 17

The value of resistivity is the least for:

Question # 18

Aluminum is a:

Question # 19

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

Question # 20

Magnetic effect of current is used:

Question # 21

Electrolysis is the study of conduction of electricity through:

Question # 22

In a metal, the valence electrons are:

Question # 23

An inkjet printer uses in its operation:

Question # 24

Kirchhoff's first rule is also called:

Question # 25

In case of metallic conductors, the charge carriers are

Question # 26

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

Question # 27

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

Question # 28

The fourth band is a:

Question # 29

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

Question # 30

The conventional current is the name given to current due to flow of:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 When a constant potential difference is applied across the conductor, the drift velocity of electrons:
A.

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
2

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
3 The interior of a hollow charged metal sphere is a region which:
A.

Contain some magnitude of electric field

B.

Is full of electric field lines

C.

Is field-free region

D.

Either (A) or (B)
4

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)
5

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

Different

B.

Same

C.

Such that it is greater in the first case

D.

Such that it is greater in the second case
6 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
7 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)
8 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
9 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
10 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)

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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