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 fourth band is a:

Question # 2

In gases, the charge carries are:

Question # 3

An electric field is generated along the wire when:

Question # 4

In case of metallic conductors, the charge carriers 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 current of 1 ampere is passing through a conductor. The charge passing through it in half a minute is:

Question # 7

An example of photoconductor is:

Question # 8

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

Question # 9

Magnetic effect of current is used:

Question # 10

The value of resistivity is the least for:

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Electrolysis is the study of conduction of electricity through:

Question # 16

The obvious effect/s of current is/are:

Question # 17

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

Question # 18

The magnitude of chemical Effects depends upon:

Question # 19

In case of metallic conductors, the charge carriers are

Question # 20

The free electrons in metals:

Question # 21

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

Question # 22

The flux through a closed surface depends upon:

Question # 23

Electric flux is:

Question # 24

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

Question # 25

Xerography means:

Question # 26

The current that flows through the coil of a motor causes

Question # 27

A thermistor is a resistor which is:

Question # 28

In gases, the charge carriers are:

Question # 29

The third band of the colour code:

Question # 30

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

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Sr.# Question Answer
1 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
2

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
3 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
4 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above
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 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
7 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
8 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
9 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)
10 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor

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