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

As the current flow through the wire:

Question # 2

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

Question # 3

Electric flux is:

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

The value of resistivity is the least for:

Question # 8

An inkjet printer uses in its operation:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

The value of relative permittivity of different dielectrics are:

Question # 13

The magnitude of chemical Effects depends upon:

Question # 14

In a metal, the valence electrons are:

Question # 15

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

Question # 16

The third band of the colour code:

Question # 17

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

Question # 18

In gases, the charge carries are:

Question # 19

In case of metallic conductors, the change carries are:

Question # 20

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

Question # 21

An ideal voltmeter has:

Question # 22

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

Question # 23

In gases, the charge carriers are:

Question # 24

The surface destiny of charge is defined is:

Question # 25

Static electricity is produced by the transfer of:

Question # 26

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

Question # 27

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

Question # 28

In a metal, the valence electrons are:

Question # 29

In case of metallic conductors, the charge carriers are

Question # 30

An example of photoconductor is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 If the ends of a wire are connected to a battery an electric field E will be set up at:
A.

The ends of the wire only

B.

Mid points of the wire only

C.

Every point within the wire

D.

At nodes only
2 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
3

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

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
5

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:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other
6 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
7

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

Its shaft to revolve

B.

Its brushes to rotate

C.

Motor to move

D.

Its shafts to rotate
8

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
9 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
10 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All 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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