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

Magnetic effect of current is used:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

The obvious effect/s of current is/are:

Question # 6

The strength of magnetic field at certain points around a wire depends upon:

Question # 7

An inkjet printer uses in its operation:

Question # 8

The magnitude of chemical Effects depends upon:

Question # 9

Most practical applications of electricity involve

Question # 10

A field free region is found:

Question # 11

The value of resistivity is the least for:

Question # 12

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

Question # 13

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

Question # 14

Electric field lines emerge from the charge in:

Question # 15

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

Question # 16

Electrolysis is the study of conduction of electricity through:

Question # 17

The emf is measured in:

Question # 18

The current that flows through the coil of a motor causes

Question # 19

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

Question # 20

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

Question # 21

The interior of a hollow charged metal sphere is a region which:

Question # 22

Selenium is:

Question # 23

The free electrons in metals:

Question # 24

SI unit of current describes the flow of charge at the rate of

Question # 25

The surface destiny of charge is defined is:

Question # 26

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

Question # 27

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

Question # 28

An ideal voltmeter has:

Question # 29

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

Question # 30

The value of relative permittivity of different dielectrics are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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:
A.

Circle

B.

Rectangle

C.

Sphere

D.

Box
2 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
3 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)
4

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

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
5 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
6 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
7 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)
8 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
9

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

Its shaft to revolve

B.

Its brushes to rotate

C.

Motor to move

D.

Its shafts to rotate
10 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these

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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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