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

Question # 2

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

Question # 3

In a metal, the valence electrons are:

Question # 4

An electric field is generated along the wire when:

Question # 5

The third band of the colour code:

Question # 6

Magnetic effect of current is used:

Question # 7

The fourth band is a:

Question # 8

Thermistors are prepared under

Question # 9

A rheostat can e used:

Question # 10

The term drift velocity is used when the ends of a wire are:

Question # 11

A field free region is found:

Question # 12

An ideal voltmeter has:

Question # 13

Static electricity is produced by the transfer of:

Question # 14

The value of relative permittivity of different dielectrics are:

Question # 15

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

Question # 16

The free electrons in metals:

Question # 17

The inkjet printer ejects a thin stream of:

Question # 18

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

Question # 19

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

Question # 20

An important part of photocopier is:

Question # 21

As the current flow through the wire:

Question # 22

Heating effect of current utilized in:

Question # 23

An example of photoconductor is:

Question # 24

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

Question # 25

An eV is unit of:

Question # 26

The emf is measured in:

Question # 27

Most practical application of electricity involve

Question # 28

The magnitude of chemical Effects depends upon:

Question # 29

The current that flows through the coil of a motor causes

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
2

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
3 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
4 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
5 Thermistors are prepared under
A. High pressure and low temperature
B. High pressure and high temperature
C. Low pressure and low temperature
D. Low pressure and high temprature
6

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
7 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
8 The electric flux through any surface depends upon:
A.

Intensity of electric field

B.

Area of the surface

C.

Angle between intensity and area

D.

All of these
9 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
10 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current

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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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