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

Question # 2

Xerography means:

Question # 3

Tick the correct statement:

Question # 4

The value of resistivity is the least for:

Question # 5

Aluminum is a:

Question # 6

Electric field lines emerge from the charge in:

Question # 7

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

Question # 8

When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:

Question # 9

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

Question # 10

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 # 11

An inkjet printer uses in its operation:

Question # 12

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

Question # 13

The fourth band is a:

Question # 14

As the current flows through the wire

Question # 15

A thermistor is a resistor which is:

Question # 16

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

Question # 17

If the ends of a wire are connected to a battery an electric field E will be set up at:

Question # 18

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

Question # 19

An electric field is generated along the wire when:

Question # 20

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

Question # 21

In a metal, the valence electrons are:

Question # 22

In case of metallic conductors, the charge carriers are

Question # 23

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

Question # 24

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

Question # 25

Static electricity is produced by the transfer of:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

The current that flows through the coil of a motor causes

Question # 30

Electric flux is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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
2 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
3 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
4

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

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion
5

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

Both the conductors are at the same potential

B.

Potential difference across the conductors remain constant

C.

Potential difference across the conductors becomes zero

D.

Both (A) and (B)
6 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
7

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

Zero

B.

Much larger

C.

Larger

D.

Smaller
8

In order to have a constant current through wire, the potential difference across its end should:
A.

Be zero

B.

Be maintained constant

C.

Goes on increasing

D.

Go on decreasing
9 When certain area A is held parallel to the field lines, then:
A.

No lines cross this area

B.

Maximum lines pass through this area

C.

The number of lines are between zero and maximum

D.

Both (A) and (B) correct
10 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

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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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