ECAT Pre General Science Physics Chapter 13 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

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ECAT Pre General Science Physics Chapter 13 Current Electricity

00:00
Question # 1

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

Question # 2

An electric field is generated along the wire when:

Question # 3

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

Question # 4

Which instrument is expensive and difficult to use?

Question # 5

In case of metallic conductors, the charge carriers are

Question # 6

The fourth band is a:

Question # 7

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

Question # 8

The surface destiny of charge is defined is:

Question # 9

The value of relative permittivity of different dielectrics are:

Question # 10

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

Question # 11

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

Question # 12

An ideal voltmeter has:

Question # 13

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

Question # 14

In case of metallic conductors, the charge carriers are

Question # 15

An eV is unit of:

Question # 16

The value of resistivity is the least for:

Question # 17

In case of metallic conductors, the change carries are:

Question # 18

As the current flows through the wire

Question # 19

In a metal, the valence electrons are:

Question # 20

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

Question # 21

Heating effect of current utilized in:

Question # 22

A field free region is found:

Question # 23

Most practical applications of electricity involve

Question # 24

The charge carries in the electrolyte are:

Question # 25

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

Question # 26

Static electricity is produced by the transfer of:

Question # 27

Electric flux is:

Question # 28

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

Question # 29

As the current flow through the wire:

Question # 30

Selenium is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
2 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
3 The term drift velocity is used when the ends of a wire are:
A.

Connected to a laser source

B.

Connected to a voltage source

C.

Not connected to a voltage source

D.

At different values of potential
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 electric field is generated along the wire when:
A.

Its resistance is very high

B.

A constant potential is maintained across the wire

C.

Net current through the wire is zero

D.

A constant potential difference is maintained across the wire
6 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
7 The electric flux through any surface depends upon:
A.

Intensity of electric field

B.

Area of the surface

C.

Angle between intensity and area

D.

All of these
8

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

Both the conductors are at the same potential

B.

Potential difference across the conductors remain constant

C.

Potential difference across the conductors becomes zero

D.

Both (A) and (B)
9

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
10 The third band of the colour code:
A. Gives the number of zeroes
B. Is decimal multiplier
C. Gives the resistance tolerance
D. Gives the third digit

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