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 electric flux through any surface depends upon:

Question # 2

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

Question # 3

Static electricity is produced by the transfer of:

Question # 4

The charge carriers in an electrolyte are

Question # 5

As the current flows through the wire

Question # 6

In gases, the charge carriers are:

Question # 7

Thermistors are prepared under

Question # 8

In case of metallic conductors, the charge carriers are

Question # 9

Tick the correct statement:

Question # 10

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

Question # 11

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

Question # 12

In case of metallic conductors, the change carries are:

Question # 13

In a metal, the valence electrons are:

Question # 14

The current that flows through the coil of a motor causes

Question # 15

The obvious effect/s of current is/are:

Question # 16

An important part of photocopier is:

Question # 17

An ideal voltmeter has:

Question # 18

The magnitude of chemical Effects depends upon:

Question # 19

Aluminum is a:

Question # 20

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

Question # 21

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

Question # 22

The flux through a closed surface depends upon:

Question # 23

An eV is unit of:

Question # 24

The value of relative permittivity of different dielectrics are:

Question # 25

The fourth band is a:

Question # 26

An important part of inkjet printer is:

Question # 27

Electrolysis is the study of conduction of electricity through:

Question # 28

When certain area A is held parallel to the field lines, then:

Question # 29

The free electrons in metals:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
2 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
3 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
4 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
5

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
6 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
7 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
8 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
9

The device which can convert heat energy into electrical energy is called:
A.

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
10

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer

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