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

Gaussian surface is always:

Question # 2

Selenium is:

Question # 3

The surface destiny of charge is defined is:

Question # 4

The positive charge moving in one direction is equivalent in all external affects to a:

Question # 5

Most practical applications of electricity involve

Question # 6

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

Question # 7

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

Question # 8

The electric flux through any surface depends upon:

Question # 9

The inkjet printer ejects a thin stream of:

Question # 10

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

Question # 11

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 # 12

An ideal voltmeter has:

Question # 13

The charge carries in the electrolyte are:

Question # 14

In case of metallic conductors, the charge carriers are

Question # 15

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

Question # 16

The obvious effect/s of current is/are:

Question # 17

An example of photoconductor is:

Question # 18

The value of relative permittivity of different dielectrics are:

Question # 19

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

Question # 20

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

Question # 21

An inkjet printer uses in its operation:

Question # 22

The charge carriers in an electrolyte are

Question # 23

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

Question # 24

Which instrument is expensive and difficult to use?

Question # 25

An eV is unit of:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
2

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
3 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
4

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:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other
5 An eV is unit of:
A.

Potential

B.

Energy

C.

Work

D.

Power
6

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)
7

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

Straight lines

B.

Sine curves

C.

Curved

D.

Both (A) and (B)
8 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
9

The obvious effect/s of current is/are:
A.

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
10

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 shafts to rotate

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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