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

Question # 2

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

Question # 3

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

Question # 4

The fourth band is a:

Question # 5

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

Question # 6

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

Question # 7

The inkjet printer ejects a thin stream of:

Question # 8

Another mean of electric potential energy per unit charge is given by:

Question # 9

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:

Question # 10

A field free region is found:

Question # 11

An important part of inkjet printer is:

Question # 12

In a metal, the valence electrons are:

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

Which instrument is expensive and difficult to use?

Question # 17

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

Question # 18

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

Question # 19

Thermistors are prepared under

Question # 20

In case of metallic conductors, the change carries are:

Question # 21

Most practical application of electricity involve

Question # 22

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

Question # 23

A thermistor is a resistor which is:

Question # 24

The electric flux through any surface depends upon:

Question # 25

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

Question # 26

In case of metallic conductors, the charge carriers are

Question # 27

The charge carriers in an electrolyte are

Question # 28

An ideal voltmeter has:

Question # 29

The value of relative permittivity of different dielectrics are:

Question # 30

In a metal, the valence electrons are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above
2 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above
3 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
4 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
5 As the current flow through the wire:
A.

It generates heat in the wire

B.

It produces sound in the wire

C.

Resistance of the wire decreases

D.

Voltage across the ends is increased
6 The number of field lines passing through unit area held perpendicular to the field lines represent:
A.

Flux in that region

B.

Intensity of the field

C.

Charge

D.

Area of the region
7

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

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
8 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
9 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
10 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one

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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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