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

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

Question # 2

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

Question # 3

Heating effect of current utilized in:

Question # 4

A field free region is found:

Question # 5

The electric flux through any surface depends upon:

Question # 6

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

Question # 7

Electric field lines emerge from the charge in:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

The magnitude of chemical Effects depends upon:

Question # 13

The surface destiny of charge is defined is:

Question # 14

In gases, the charge carriers are:

Question # 15

The value of resistivity is the least for:

Question # 16

In order to have a constant current through wire, the potential difference across its end should:

Question # 17

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 # 18

The flux through a closed surface depends upon:

Question # 19

Most practical applications of electricity involve

Question # 20

Electrolysis is the study of conduction of electricity through:

Question # 21

In case of metallic conductors, the charge carriers are

Question # 22

When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:

Question # 23

An inkjet printer uses in its operation:

Question # 24

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

Question # 25

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

Question # 26

The charge carries in the electrolyte are:

Question # 27

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

Question # 28

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

Question # 29

Aluminum is a:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion
2

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)
3 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

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

Value of current passing

B.

Distance from the current element

C.

Color of the material

D.

Both (A) and (B)
6

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

Primary cell

B.

Secondary cell

C.

Both (A) and (B)

D.

Photovoltaic cell
7

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)
8

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

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
9 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
10 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten

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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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