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 current that flows through the coil of a motor causes

Question # 2

The emf is measured in:

Question # 3

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

Question # 4

Aluminum is a:

Question # 5

The obvious effect/s of current is/are:

Question # 6

The value of relative permittivity of different dielectrics are:

Question # 7

Magnetic effect of current is used:

Question # 8

Kirchhoff's first rule is also called:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Xerography means:

Question # 14

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

Question # 15

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

Question # 16

Gaussian surface is always:

Question # 17

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

Question # 18

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

Question # 19

The third band of the colour code:

Question # 20

A rheostat can e used:

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

Most practical applications of electricity involve

Question # 25

An eV is unit of:

Question # 26

Which instrument is expensive and difficult to use?

Question # 27

Selenium is:

Question # 28

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

Question # 29

As the current flow through the wire:

Question # 30

The flux through a closed surface depends upon:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
2

In case of two identical charges placed certain distance apart, the electric field lines are:
A.

Straight lines

B.

Sine curves

C.

Curved

D.

Both (A) and (B)
3 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
4

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)
5

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
6

In order to have a constant current through wire, the potential difference across its end should:
A.

Be zero

B.

Be maintained constant

C.

Goes on increasing

D.

Go on decreasing
7 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
8

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
9 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
10 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

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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