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

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Question # 1

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

Question # 2

Aluminum is a:

Question # 3

A thermistor is a resistor which is:

Question # 4

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

Question # 5

The fourth band is a:

Question # 6

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

Question # 7

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

Question # 8

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

Question # 9

In case of metallic conductors, the charge carriers are

Question # 10

As the current flows through the wire

Question # 11

An inkjet printer uses in its operation:

Question # 12

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

Question # 13

As the current flow through the wire:

Question # 14

The charge carriers in an electrolyte are

Question # 15

Magnetic effect of current is used:

Question # 16

An ideal voltmeter has:

Question # 17

Thermistors are prepared under

Question # 18

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

Question # 19

An electric field is generated along the wire when:

Question # 20

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

Question # 21

An example of photoconductor is:

Question # 22

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

Question # 23

In a metal, the valence electrons are:

Question # 24

The obvious effect/s of current is/are:

Question # 25

An important part of inkjet printer is:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

Static electricity is produced by the transfer of:

Question # 30

A rheostat can e used:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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

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

Electrons

B.

Protons

C.

One fluid

D.

Two fluids

3 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
4 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing

5

An inkjet printer uses in its operation:

A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge

6 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
7 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum

8 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
9 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)

10 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

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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