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

Most practical applications of electricity involve

Question # 2

The inkjet printer ejects a thin stream of:

Question # 3

Most practical application of electricity involve

Question # 4

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

Question # 5

Electric field lines emerge from the charge in:

Question # 6

Static electricity is produced by the transfer of:

Question # 7

A field free region is found:

Question # 8

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

Question # 9

The flux through a closed surface depends upon:

Question # 10

The current that flows through the coil of a motor causes

Question # 11

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

Question # 12

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

Question # 13

The interior of a hollow charged metal sphere is a region which:

Question # 14

Thermistors are prepared under

Question # 15

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

Question # 16

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

Question # 17

An electric field is generated along the wire when:

Question # 18

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

Question # 19

The electric flux through any surface depends upon:

Question # 20

The magnitude of chemical Effects depends upon:

Question # 21

Heating effect of current utilized in:

Question # 22

The value of resistivity is the least for:

Question # 23

Electrolysis is the study of conduction of electricity through:

Question # 24

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

Question # 25

An important part of inkjet printer is:

Question # 26

The surface destiny of charge is defined is:

Question # 27

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

Question # 28

Magnetic effect of current is used:

Question # 29

Which instrument is expensive and difficult to use?

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 When certain area A is held parallel to the field lines, then:
A.

No lines cross this area

B.

Maximum lines pass through this area

C.

The number of lines are between zero and maximum

D.

Both (A) and (B) correct
2

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
3

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

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
5

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
6 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
7 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
8 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
9

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
10 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)

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