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

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

Question # 2

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

Question # 3

An important part of photocopier is:

Question # 4

The value of resistivity is the least for:

Question # 5

Thermistors are prepared under

Question # 6

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

Question # 7

In case of metallic conductors, the charge carriers are

Question # 8

Xerography means:

Question # 9

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

Question # 10

The electric flux through any surface depends upon:

Question # 11

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

Question # 12

Most practical applications of electricity involve

Question # 13

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

Question # 14

Electric field lines emerge from the charge in:

Question # 15

Selenium is:

Question # 16

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:

Question # 17

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

Question # 18

The strength of magnetic field at certain points around a wire depends upon:

Question # 19

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

Question # 20

The surface destiny of charge is defined is:

Question # 21

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

Question # 22

The emf is measured in:

Question # 23

The third band of the colour code:

Question # 24

The inkjet printer ejects a thin stream of:

Question # 25

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

Question # 26

The value of relative permittivity of different dielectrics are:

Question # 27

As the current flow through the wire:

Question # 28

Electrolysis is the study of conduction of electricity through:

Question # 29

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

Question # 30

The flux through a closed surface depends upon:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
2 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
3 The third band of the colour code:
A. Gives the number of zeroes
B. Is decimal multiplier
C. Gives the resistance tolerance
D. Gives the third digit
4 A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s
A. One coulomb
B. 0.5 coulomb
C. 30 coulombs
D. 2 coulombs
5

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
6

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)
7

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

Both the conductors are at the same potential

B.

Potential difference across the conductors remain constant

C.

Potential difference across the conductors becomes zero

D.

Both (A) and (B)
8

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
9 The current that flows through the coil of a motor causes
A. Its shaft to revolve
B. Its brushes to rotate
C. Motor to move
D. Its shaft to rotate
10 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

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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