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 important part of inkjet printer is:

Question # 2

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

Question # 3

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

Question # 4

The current that flows through the coil of a motor causes

Question # 5

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

Question # 6

An ideal voltmeter has:

Question # 7

Gaussian surface is always:

Question # 8

The obvious effect/s of current is/are:

Question # 9

Which instrument is expensive and difficult to use?

Question # 10

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

Question # 11

Static electricity is produced by the transfer of:

Question # 12

An example of photoconductor is:

Question # 13

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

Question # 14

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

Question # 15

The surface destiny of charge is defined is:

Question # 16

In case of metallic conductors, the charge carriers are

Question # 17

The emf is measured in:

Question # 18

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

Question # 19

A thermistor is a resistor which is:

Question # 20

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

Question # 21

An eV is unit of:

Question # 22

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

Question # 23

The free electrons in metals:

Question # 24

The charge carriers in an electrolyte are

Question # 25

The inkjet printer ejects a thin stream of:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

The third band of the colour code:

Question # 30

Tick the correct statement:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
2

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
3 In a metal, the valence electrons are:
A.

Attach to individual atoms

B.

Not attached to individual atoms

C.

Free to move within the metal

D.

Both (A) and (C)
4 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
5 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
6 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
7 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
8 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
9

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
10

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

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs

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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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