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

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

Question # 2

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

Question # 3

The best conductor is:

Question # 4

Static electricity is produced by the transfer of:

Question # 5

In a metal, the valence electrons are:

Question # 6

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

Question # 7

The emf is measured in:

Question # 8

The third band of the colour code:

Question # 9

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

Question # 10

An important part of inkjet printer is:

Question # 11

The surface destiny of charge is defined is:

Question # 12

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

Question # 13

Electrolysis is the study of conduction of electricity through:

Question # 14

The value of resistivity is the least for:

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

A rheostat can e used:

Question # 19

In case of metallic conductors, the change carries are:

Question # 20

Magnetic effect of current is used:

Question # 21

An ideal voltmeter has:

Question # 22

The fourth band is a:

Question # 23

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

Question # 24

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

Question # 25

An electric field is generated along the wire when:

Question # 26

In gases, the charge carriers are:

Question # 27

A field free region is found:

Question # 28

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

Question # 29

The inkjet printer ejects a thin stream of:

Question # 30

The flux through a closed surface depends upon:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
2 A field free region is found:
A.

Near the outer surface of a hollow charged metal sphere

B.

In the interior of solid metal uncharged sphere

C.

In the interior of solid metal charged sphere

D.

Both (A) and (B)
3 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)
4 If the ends of a wire are connected to a battery an electric field E will be set up at:
A.

The ends of the wire only

B.

Mid points of the wire only

C.

Every point within the wire

D.

At nodes only
5 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
6 In a metal, the valence electrons are:
A. Attached to individual atoms
B. Not attached to individual atoms
C. Free to move within the metal
D. Both A and B
7 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
8 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
9

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
10 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum

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