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

Heating effect of current utilized in:

Question # 2

The electric flux through any surface depends upon:

Question # 3

An ideal voltmeter has:

Question # 4

Which instrument is expensive and difficult to use?

Question # 5

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

Question # 6

In gases, the charge carries are:

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Aluminum is a:

Question # 15

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

Question # 16

Static electricity is produced by the transfer of:

Question # 17

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

Question # 18

Magnetic effect of current is used:

Question # 19

The free electrons in metals:

Question # 20

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

Question # 21

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

Question # 22

Gaussian surface is always:

Question # 23

In case of metallic conductors, the charge carriers are

Question # 24

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

Question # 25

In a metal, the valence electrons are:

Question # 26

In a metal, the valence electrons are:

Question # 27

Tick the correct statement:

Question # 28

An important part of photocopier is:

Question # 29

As the current flows through the wire

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

No lines cross this area

B.

Maximum lines pass through this area

C.

The number of lines are between zero and maximum

D.

Both (A) and (B) correct
2 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above
3 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
4

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
5 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
6 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
7

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
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

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
10

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

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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