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 obvious effect/s of current is/are:

Question # 2

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

Question # 3

The best conductor is:

Question # 4

The free electrons in metals:

Question # 5

The surface destiny of charge is defined is:

Question # 6

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 # 7

The current that flows through the coil of a motor causes

Question # 8

The value of relative permittivity of different dielectrics are:

Question # 9

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

Question # 10

As the current flow through the wire:

Question # 11

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

Question # 12

Thermistors are prepared under

Question # 13

The charge carriers in an electrolyte are

Question # 14

The emf is measured in:

Question # 15

The value of resistivity is the least for:

Question # 16

As the current flows through the wire

Question # 17

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

Question # 18

The magnitude of chemical Effects depends upon:

Question # 19

An electric field is generated along the wire when:

Question # 20

In case of metallic conductors, the change carries are:

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

Electric flux is:

Question # 27

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

Question # 28

Xerography means:

Question # 29

An inkjet printer uses in its operation:

Question # 30

Electric field lines emerge from the charge in:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Zero

B.

Much larger

C.

Larger

D.

Smaller
2 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
3

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
4

In case of metallic conductors, the change carries are:
A.

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
5 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
6 As the current flows through the wire
A. It generates heat in the wire
B. It produces sound in the wire
C. Resistance of the wire decrease
D. Voltage across the ends is the increase
7 The earth’s potential and potential at infinity are taken:
A.

Equal

B.

Zero

C.

First is greater than the second

D.

Second is greater than the first
8 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)
9 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
10 Tick the correct statement:
A.

Both the potential and potential difference is scalars

B.

Potential is a scalar but potential difference is a vector

C. Both are vectors

D.

Potential is vector but potential difference is scalar

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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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