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

In gases, the charge carriers are:

Question # 2

The electric flux through any surface depends upon:

Question # 3

The conventional current is the name given to current due to flow of

Question # 4

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

Question # 5

As the current flow through the wire:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

The third band of the colour code:

Question # 10

In case of metallic conductors, the charge carriers are

Question # 11

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

Question # 12

Magnetic effect of current is used:

Question # 13

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

Question # 14

Electric field lines emerge from the charge in:

Question # 15

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

Question # 16

Aluminum is a:

Question # 17

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 # 18

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

Question # 19

Static electricity is produced by the transfer of:

Question # 20

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

Question # 21

Thermistors are prepared under

Question # 22

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

Question # 23

The best conductor is:

Question # 24

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

Question # 25

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

Question # 26

Kirchhoff's first rule is also called:

Question # 27

An important part of inkjet printer is:

Question # 28

The surface destiny of charge is defined is:

Question # 29

Xerography means:

Question # 30

Electric flux is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
2 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
3 Selenium is:
A.

An insulator

B.

A conductor

C.

Insulator in the dark and becomes conductor when exposed to light

D.

Conductor in the dark only
4 When a constant potential difference is applied across the conductor, the drift velocity of electrons:
A.

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
5

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
6 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above
7 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
8 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
9 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
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:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other

Test Questions

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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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