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

While finding the electric intensity at a point between two oppositely charged parallel plates, the Gaussian surface is taken in the form of a hollow:

Question # 2

An eV is unit of:

Question # 3

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:

Question # 4

The inkjet printer ejects a thin stream of:

Question # 5

Static electricity is produced by the transfer of:

Question # 6

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

Question # 7

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 # 8

Most practical application of electricity involve

Question # 9

Thermistors are prepared under

Question # 10

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

Question # 11

In gases, the charge carriers are:

Question # 12

As the current flows through the wire

Question # 13

The current that flows through the coil of a motor causes

Question # 14

The current that flows through the coil of a motor causes:

Question # 15

An electric field is generated along the wire when:

Question # 16

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

Question # 17

Gaussian surface is always:

Question # 18

Electrolysis is the study of conduction of electricity through:

Question # 19

A thermistor is a resistor which is:

Question # 20

The charge carriers in an electrolyte are

Question # 21

In case of metallic conductors, the charge carriers are

Question # 22

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

Question # 23

Heating effect of current utilized in:

Question # 24

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

Question # 25

An inkjet printer uses in its operation:

Question # 26

Most practical applications of electricity involve

Question # 27

In case of metallic conductors, the charge carriers are

Question # 28

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

Question # 29

The example/s of non-electrical energy to electrical is/are:

Question # 30

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

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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

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

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
3

The effects of bends in a wire on its electrical resistance are:
A.

Zero

B.

Much larger

C.

Larger

D.

Smaller
4 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above
5

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
6 In a metal, the valence electrons are:
A.

Attach to individual atoms

B.

Not attached to individual atoms

C.

Free to move within the metal

D.

Both (A) and (C)
7 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
8

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
9 The positive charge moving in one direction is equivalent in all external affects to a:
A.

Negative charge is moving in the same direction

B.

Positive charge is moving in the opposite direction

C.

Negative charge moving in the opposite direction

D.

Positive charges moving in the same direction
10 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor

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