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

The third band of the colour code:

Question # 2

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

In case of metallic conductors, the change carries are:

Question # 5

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

Question # 6

Electrolysis is the study of conduction of electricity through:

Question # 7

The inkjet printer ejects a thin stream of:

Question # 8

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

Question # 9

The quantity having the same unit as that of emf is:

Question # 10

As the current flows through the wire

Question # 11

The charge carries in the electrolyte are:

Question # 12

Tick the correct statement:

Question # 13

A rheostat can e used:

Question # 14

Selenium is:

Question # 15

An ideal voltmeter has:

Question # 16

The flux through a closed surface depends upon:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

An inkjet printer uses in its operation:

Question # 21

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

Question # 22

Magnetic effect of current is used:

Question # 23

Most practical application of electricity involve

Question # 24

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

Question # 25

The electric flux through any surface depends upon:

Question # 26

The current that flows through the coil of a motor causes

Question # 27

Static electricity is produced by the transfer of:

Question # 28

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

Question # 29

An important part of inkjet printer is:

Question # 30

Heating effect of current utilized in:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Greater than the speed at which they pass from left to right

B.

Less than the speed at which they pass from left to right

C.

The same speed at which they pass from left to right

D.

Any of above
2 The number of field lines passing through unit area held perpendicular to the field lines represent:
A.

Flux in that region

B.

Intensity of the field

C.

Charge

D.

Area of the region
3 Selenium is:
A.

An insulator

B.

A conductor

C.

Insulator in the dark and becomes conductor when exposed to light

D.

Conductor in the dark only
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 value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
6

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

Decreasing from zero to maximum

B.

Increasing from zero to maximum

C.

Decreasing from maximum to zero

D.

Increasing from maximum to zero
7

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
8 The earth’s potential and potential at infinity are taken:
A.

Equal

B.

Zero

C.

First is greater than the second

D.

Second is greater than the first
9 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
10 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

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