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

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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

The inkjet printer ejects a thin stream of:

Question # 7

Kirchhoff's first rule is also called:

Question # 8

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

Question # 9

In case of metallic conductors, the charge carriers are

Question # 10

An inkjet printer uses in its operation:

Question # 11

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

Question # 12

The charge carries in the electrolyte are:

Question # 13

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

Question # 14

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

Question # 15

Xerography means:

Question # 16

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:

Question # 17

In case of metallic conductors, the change carries are:

Question # 18

When certain area A is held parallel to the field lines, then:

Question # 19

Magnetic effect of current is used:

Question # 20

An ideal voltmeter has:

Question # 21

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

Question # 22

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

Question # 23

In case of metallic conductors, the charge carriers are

Question # 24

The emf is measured in:

Question # 25

Tick the correct statement:

Question # 26

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

Question # 27

Certain charge +q is placed at the center of a sphere. At each of the sphere,The directions of electric intensity and vector area are:

Question # 28

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

Question # 29

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

Question # 30

Electric flux is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
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 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
4 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
5

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

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion
6 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)
7

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
8

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

Zero

B.

Much larger

C.

Larger

D.

Smaller
9 The electric flux through any surface depends upon:
A.

Intensity of electric field

B.

Area of the surface

C.

Angle between intensity and area

D.

All of these
10

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle

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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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