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 surface destiny of charge is defined is:

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

Aluminum is a:

Question # 5

The third band of the colour code:

Question # 6

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

Question # 7

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

Question # 8

The inkjet printer ejects a thin stream of:

Question # 9

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

Question # 10

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

Question # 11

The best conductor is:

Question # 12

The current that flows through the coil of a motor causes

Question # 13

An important part of inkjet printer is:

Question # 14

Which instrument is expensive and difficult to use?

Question # 15

A field free region is found:

Question # 16

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

Question # 17

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

Question # 18

Most practical applications of electricity involve

Question # 19

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

Question # 20

An important part of photocopier is:

Question # 21

As the current flows through the wire

Question # 22

Magnetic effect of current is used:

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

The flux through a closed surface depends upon:

Question # 27

An eV is unit of:

Question # 28

As the current flow through the wire:

Question # 29

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 # 30

Selenium is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Greater than the speed at which they pass from left to right

B.

Less than the speed at which they pass from left to right

C.

The same speed at which they pass from left to right

D.

Any of above
2 The number of field lines passing through unit area held perpendicular to the field lines represent:
A.

Flux in that region

B.

Intensity of the field

C.

Charge

D.

Area of the region
3

In case of metallic conductors, the change carries are:
A.

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
4 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
5 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
6 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
7 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
8 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
9

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
10

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

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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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