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

Question # 2

If the ends of a wire are connected to a battery an electric field E will be set up at:

Question # 3

An example of photoconductor is:

Question # 4

In case of metallic conductors, the charge carriers are

Question # 5

A field free region is found:

Question # 6

As the current flows through the wire

Question # 7

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

Question # 8

The emf is measured in:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

A rheostat can e used:

Question # 13

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

Question # 14

Gaussian surface is always:

Question # 15

Thermistors are prepared under

Question # 16

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

Question # 17

An inkjet printer uses in its operation:

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

Electrolysis is the study of conduction of electricity through:

Question # 22

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 # 23

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

Question # 24

The third band of the colour code:

Question # 25

An ideal voltmeter has:

Question # 26

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

Question # 27

Electric field lines emerge from the charge in:

Question # 28

The inkjet printer ejects a thin stream of:

Question # 29

In case of metallic conductors, the charge carriers are

Question # 30

Tick the correct statement:

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ECAT Class Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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)
2 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
3 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
4 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
5 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
6 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
7 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
8

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

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs
9 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
10 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these

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