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 gases, the charge carries are:

Question # 2

A rheostat can e used:

Question # 3

Thermistors are prepared under

Question # 4

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

Question # 5

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

Question # 6

Another mean of electric potential energy per unit charge is given by:

Question # 7

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

Question # 8

In a metal, the valence electrons are:

Question # 9

An eV is unit of:

Question # 10

The obvious effect/s of current is/are:

Question # 11

Tick the correct statement:

Question # 12

An important part of photocopier is:

Question # 13

Electrolysis is the study of conduction of electricity through:

Question # 14

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

Question # 15

Static electricity is produced by the transfer of:

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

The best conductor is:

Question # 21

In order to have a constant current through wire, the potential difference across its end should:

Question # 22

An ideal voltmeter has:

Question # 23

Which instrument is expensive and difficult to use?

Question # 24

The flux through a closed surface depends upon:

Question # 25

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

Question # 26

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

Question # 27

The inkjet printer ejects a thin stream of:

Question # 28

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

Question # 29

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

Question # 30

Aluminum is a:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
2

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)
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 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
5 An electric field is generated along the wire when:
A.

Its resistance is very high

B.

A constant potential is maintained across the wire

C.

Net current through the wire is zero

D.

A constant potential difference is maintained across the wire
6 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
7

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:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other
8 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
9 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
10 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area

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