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

An electric field is generated along the wire when:

Question # 2

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

Question # 3

Most practical applications of electricity involve

Question # 4

Xerography means:

Question # 5

The current that flows through the coil of a motor causes

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

Static electricity is produced by the transfer of:

Question # 12

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

Question # 13

In case of metallic conductors, the change carries are:

Question # 14

Gaussian surface is always:

Question # 15

Heating effect of current utilized in:

Question # 16

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

Question # 17

Kirchhoff's first rule is also called:

Question # 18

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 # 19

The emf is measured in:

Question # 20

In a metal, the valence electrons are:

Question # 21

A rheostat can e used:

Question # 22

Which instrument is expensive and difficult to use?

Question # 23

The third band of the colour code:

Question # 24

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

Question # 25

The fourth band is a:

Question # 26

An important part of photocopier is:

Question # 27

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

Question # 28

In case of metallic conductors, the charge carriers are

Question # 29

Aluminum is a:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
2

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
3 A field free region is found:
A.

Near the outer surface of a hollow charged metal sphere

B.

In the interior of solid metal uncharged sphere

C.

In the interior of solid metal charged sphere

D.

Both (A) and (B)
4 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
5 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)
6

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
7

The obvious effect/s of current is/are:
A.

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
8

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:
A.

Decreasing from zero to maximum

B.

Increasing from zero to maximum

C.

Decreasing from maximum to zero

D.

Increasing from maximum to zero
9 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
10 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

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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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