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 example/s of non-electrical energy to electrical is/are:

Question # 2

The value of resistivity is the least for:

Question # 3

Tick the correct statement:

Question # 4

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

Question # 5

Selenium is:

Question # 6

The value of relative permittivity of different dielectrics are:

Question # 7

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

Question # 8

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

Question # 9

The inkjet printer ejects a thin stream of:

Question # 10

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

Question # 11

In gases, the charge carriers are:

Question # 12

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

Question # 13

An example of photoconductor is:

Question # 14

As the current flow through the wire:

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

In a metal, the valence electrons are:

Question # 19

In case of metallic conductors, the change carries are:

Question # 20

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 # 21

In case of metallic conductors, the charge carriers are

Question # 22

A thermistor is a resistor which is:

Question # 23

Most practical applications of electricity involve

Question # 24

The charge carries in the electrolyte are:

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
2 The interior of a hollow charged metal sphere is a region which:
A.

Contain some magnitude of electric field

B.

Is full of electric field lines

C.

Is field-free region

D.

Either (A) or (B)
3 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)
4 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
5 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)
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 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 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
9 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)
10 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

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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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