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

Question # 2

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

Question # 3

In gases, the charge carriers are:

Question # 4

The electric flux through any surface depends upon:

Question # 5

The obvious effect/s of current is/are:

Question # 6

Selenium is:

Question # 7

The fourth band is a:

Question # 8

The best conductor is:

Question # 9

In gases, the charge carries are:

Question # 10

Xerography means:

Question # 11

The term drift velocity is used when the ends of a wire are:

Question # 12

Heating effect of current utilized in:

Question # 13

An important part of inkjet printer is:

Question # 14

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

Question # 15

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

Question # 16

An example of photoconductor is:

Question # 17

The emf is measured in:

Question # 18

Magnetic effect of current is used:

Question # 19

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

Question # 20

Tick the correct statement:

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

Electric flux is:

Question # 25

In a metal, the valence electrons are:

Question # 26

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

Question # 27

A thermistor is a resistor which is:

Question # 28

Gaussian surface is always:

Question # 29

A field free region is found:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
2 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)
3 The number of field lines passing through unit area held perpendicular to the field lines represent:
A.

Flux in that region

B.

Intensity of the field

C.

Charge

D.

Area of the region
4

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
5

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)
6 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
7 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
8 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
9 A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s
A. One coulomb
B. 0.5 coulomb
C. 30 coulombs
D. 2 coulombs
10

The rate at which the free electrons pass through any section of a metallic wire from right to left is:
A.

Greater than the speed at which they pass from left to right

B.

Less than the speed at which they pass from left to right

C.

The same speed at which they pass from left to right

D.

Any of above

Test Questions

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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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