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

In case of metallic conductors, the charge carriers are

Question # 2

Which instrument is expensive and difficult to use?

Question # 3

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

Question # 4

The emf is measured in:

Question # 5

An inkjet printer uses in its operation:

Question # 6

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

Question # 7

An eV is unit of:

Question # 8

A rheostat can e used:

Question # 9

The earth’s potential and potential at infinity are taken:

Question # 10

In a metal, the valence electrons are:

Question # 11

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 # 12

The magnitude of chemical Effects depends upon:

Question # 13

In a metal, the valence electrons are:

Question # 14

Most practical application of electricity involve

Question # 15

The value of relative permittivity of different dielectrics are:

Question # 16

In gases, the charge carries are:

Question # 17

Gaussian surface is always:

Question # 18

Static electricity is produced by the transfer of:

Question # 19

An example of photoconductor is:

Question # 20

The charge carries in the electrolyte are:

Question # 21

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

Question # 22

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

Question # 23

An important part of photocopier is:

Question # 24

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

Question # 25

As the current flow through the wire:

Question # 26

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

Question # 27

The charge carriers in an electrolyte are

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
2 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
3 A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s
A. One coulomb
B. 0.5 coulomb
C. 30 coulombs
D. 2 coulombs
4 The interior of a hollow charged metal sphere is a region which:
A.

Contain some magnitude of electric field

B.

Is full of electric field lines

C.

Is field-free region

D.

Either (A) or (B)
5 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)
6

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
7

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

Its shaft to revolve

B.

Its brushes to rotate

C.

Motor to move

D.

Its shafts to rotate
8 The conventional current is the name given to current due to flow of:
A. Positrons
B.

Positive charges

C.

Negative charges

D.

Both (A) and (C)
9 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
10 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B

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