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 case of metallic conductors, the change carries are:

Question # 2

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

Question # 3

Aluminum is a:

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

In case of metallic conductors, the charge carriers are

Question # 8

The value of resistivity is the least for:

Question # 9

Static electricity is produced by the transfer of:

Question # 10

The electric flux through any surface depends upon:

Question # 11

As the current flow through the wire:

Question # 12

Electrostatics is the branch of physics which deals with the study of electro charges:

Question # 13

In a metal, the valence electrons are:

Question # 14

Magnetic effect of current is used:

Question # 15

An electric field is generated along the wire when:

Question # 16

In gases, the charge carries are:

Question # 17

In case of two identical charges placed certain distance apart, the electric field lines are:

Question # 18

The obvious effect/s of current is/are:

Question # 19

An important part of inkjet printer is:

Question # 20

An ideal voltmeter has:

Question # 21

As the current flows through the wire

Question # 22

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

Question # 23

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

Question # 24

A thermistor is a resistor which is:

Question # 25

Most practical applications of electricity involve

Question # 26

The magnitude of chemical Effects depends upon:

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

Thermistors are prepared under

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs
2 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
3 The number of field lines passing through unit area held perpendicular to the field lines represent:
A.

Flux in that region

B.

Intensity of the field

C.

Charge

D.

Area of the region
4 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
5 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
6

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
7 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
8

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

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
9

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
10 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head

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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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