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 emf is measured in:

Question # 2

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

Question # 3

A thermistor is a resistor which is:

Question # 4

In a metal, the valence electrons are:

Question # 5

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

Question # 6

The fourth band is a:

Question # 7

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

Question # 8

The free electrons in metals:

Question # 9

The number of field lines passing through unit area held perpendicular to the field lines represent:

Question # 10

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

Question # 11

The third band of the colour code:

Question # 12

The interior of a hollow charged metal sphere is a region which:

Question # 13

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

Question # 14

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

Question # 15

The electric flux through any surface depends upon:

Question # 16

An inkjet printer uses in its operation:

Question # 17

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

Question # 18

Kirchhoff's first rule is also called:

Question # 19

An electric field is generated along the wire when:

Question # 20

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

Question # 21

In case of metallic conductors, the change carries are:

Question # 22

A rheostat can e used:

Question # 23

The surface destiny of charge is defined is:

Question # 24

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

Question # 25

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

Question # 26

As the current flows through the wire

Question # 27

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

Question # 28

The flux through a closed surface depends upon:

Question # 29

Static electricity is produced by the transfer of:

Question # 30

In a metal, the valence electrons are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
2

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)
3

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
4 The free electrons in metals:
A.

Are in random motion and their speed depends upon temperature

B.

Move in particular direction

C.

Move with speed of light

D.

Move such that their speed does not depend on their temperature
5 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
6

The obvious effect/s of current is/are:
A.

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
7 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
8 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)
9 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
10 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

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