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

Question # 2

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

Question # 3

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

Question # 4

An eV is unit of:

Question # 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:

Question # 6

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

Question # 7

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

Question # 8

The best conductor is:

Question # 9

The inkjet printer ejects a thin stream of:

Question # 10

Electric flux is:

Question # 11

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

Question # 12

Tick the correct statement:

Question # 13

Thermistors are prepared under

Question # 14

Magnetic effect of current is used:

Question # 15

The electric flux through any surface depends upon:

Question # 16

A field free region is found:

Question # 17

A thermistor is a resistor which is:

Question # 18

The magnitude of chemical Effects depends upon:

Question # 19

The flux through a closed surface depends upon:

Question # 20

The charge carriers in an electrolyte are

Question # 21

In a metal, the valence electrons are:

Question # 22

The free electrons in metals:

Question # 23

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

Question # 24

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

Question # 25

As the current flows through the wire

Question # 26

The device which can convert heat energy into electrical energy is called:

Question # 27

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

Question # 28

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

Question # 29

As the current flow through the wire:

Question # 30

Static electricity is produced by the transfer of:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
4 The positive charge moving in one direction is equivalent in all external affects to a:
A.

Negative charge is moving in the same direction

B.

Positive charge is moving in the opposite direction

C.

Negative charge moving in the opposite direction

D.

Positive charges moving in the same direction
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

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:
A.

Circle

B.

Rectangle

C.

Sphere

D.

Box
7 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
8 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above
9

The device which can convert heat energy into electrical energy is called:
A.

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
10

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)

Test Questions