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

Electrostatics is the branch of physics which deals with the study of electro charges:

Question # 3

In case of two identical charges placed certain distance apart, the electric field lines are:

Question # 4

An example of photoconductor is:

Question # 5

In gases, the charge carriers are:

Question # 6

The magnitude of chemical Effects depends upon:

Question # 7

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

Question # 8

Electric field lines emerge from the charge in:

Question # 9

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

Question # 10

The emf is measured in:

Question # 11

An important part of inkjet printer is:

Question # 12

An eV is unit of:

Question # 13

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

Question # 14

In case of metallic conductors, the charge carriers are

Question # 15

The best conductor is:

Question # 16

Electrolysis is the study of conduction of electricity through:

Question # 17

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

Question # 18

The strength of magnetic field at certain points around a wire depends upon:

Question # 19

The free electrons in metals:

Question # 20

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

Question # 21

A rheostat can e used:

Question # 22

The charge carriers in an electrolyte are

Question # 23

The fourth band is a:

Question # 24

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

Question # 25

Kirchhoff's first rule is also called:

Question # 26

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

Question # 27

The value of relative permittivity of different dielectrics are:

Question # 28

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

Question # 29

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

Question # 30

Static electricity is produced by the transfer of:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 When a constant potential difference is applied across the conductor, the drift velocity of electrons:
A.

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
2

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

Decreasing from zero to maximum

B.

Increasing from zero to maximum

C.

Decreasing from maximum to zero

D.

Increasing from maximum to zero
3 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
4

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
5

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
6 The third band of the colour code:
A. Gives the number of zeroes
B. Is decimal multiplier
C. Gives the resistance tolerance
D. Gives the third digit
7 Selenium is:
A.

An insulator

B.

A conductor

C.

Insulator in the dark and becomes conductor when exposed to light

D.

Conductor in the dark only
8

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
9

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
10 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

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  • Hamza

    Hamza

    17 Aug 2019

    It has many error

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  • Salmankhan

    Salmankhan

    02 Feb 2018

    Sir g plz correct this mcq the device which convert electrical into machinical is called moter but here the answer is generator

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