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

Tick the correct statement:

Question # 2

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

Question # 3

An electric field is generated along the wire when:

Question # 4

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

Question # 5

In order to have a constant current through wire, the potential difference across its end should:

Question # 6

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

Question # 7

The inkjet printer ejects a thin stream of:

Question # 8

In gases, the charge carriers are:

Question # 9

The emf is measured in:

Question # 10

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

Question # 11

Magnetic effect of current is used:

Question # 12

The surface destiny of charge is defined is:

Question # 13

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

Question # 14

In case of metallic conductors, the charge carriers are

Question # 15

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

Question # 16

An important part of photocopier is:

Question # 17

Electrolysis is the study of conduction of electricity through:

Question # 18

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

Question # 19

Aluminum is a:

Question # 20

An example of photoconductor is:

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

Gaussian surface is always:

Question # 25

If the ends of a wire are connected to a battery an electric field E will be set up at:

Question # 26

A field free region is found:

Question # 27

The fourth band is a:

Question # 28

Static electricity is produced by the transfer of:

Question # 29

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

Question # 30

Field lines are closer to each other in the region where the field is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
2 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
3 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
4 The positive charge moving in one direction is equivalent in all external affects to a:
A.

Negative charge is moving in the same direction

B.

Positive charge is moving in the opposite direction

C.

Negative charge moving in the opposite direction

D.

Positive charges moving in the same direction
5 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
6 The strength of magnetic field at certain points around a wire depends upon:
A.

Value of current passing

B.

Distance from the current element

C.

Color of the material

D.

Both (A) and (B)
7 The term drift velocity is used when the ends of a wire are:
A.

Connected to a laser source

B.

Connected to a voltage source

C.

Not connected to a voltage source

D.

At different values of potential
8 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
9 SI unit of current describes the flow of charge at the rate of
A. One ampere per second
B. One coulomb per second
C. One electron per second
D. 6.25 x 1018electrons per second
10

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

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)

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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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