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

Question # 2

In case of metallic conductors, the change carries are:

Question # 3

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

Question # 4

While finding the electric intensity at a point between two oppositely charged parallel plates, the Gaussian surface is taken in the form of a hollow:

Question # 5

The obvious effect/s of current is/are:

Question # 6

Tick the correct statement:

Question # 7

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

Question # 8

As the current flow through the wire:

Question # 9

Thermistors are prepared under

Question # 10

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

Question # 11

In gases, the charge carries are:

Question # 12

The effects of bends in a wire on its electrical resistance are:

Question # 13

An inkjet printer uses in its operation:

Question # 14

An ideal voltmeter has:

Question # 15

The fourth band is a:

Question # 16

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

Question # 17

As the current flows through the wire

Question # 18

Most practical applications of electricity involve

Question # 19

Electric flux is:

Question # 20

The surface destiny of charge is defined is:

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

The charge carries in the electrolyte are:

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

In case of metallic conductors, the charge carriers are

Question # 29

Static electricity is produced by the transfer of:

Question # 30

Aluminum is a:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
3

The effects of bends in a wire on its electrical resistance are:
A.

Zero

B.

Much larger

C.

Larger

D.

Smaller
4

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

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
5 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
6 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
7 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
8 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
9

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

Both the conductors are at the same potential

B.

Potential difference across the conductors remain constant

C.

Potential difference across the conductors becomes zero

D.

Both (A) and (B)
10 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor

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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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