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 current that flows through the coil of a motor causes

Question # 2

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 # 3

The magnitude of chemical Effects depends upon:

Question # 4

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

Question # 5

Which instrument is expensive and difficult to use?

Question # 6

A field free region is found:

Question # 7

The emf is measured in:

Question # 8

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

Question # 9

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

Question # 10

Heating effect of current utilized in:

Question # 11

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

Question # 12

Gaussian surface is always:

Question # 13

When certain area A is held parallel to the field lines, then:

Question # 14

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

Question # 15

The fourth band is a:

Question # 16

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

Question # 17

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

Question # 18

The inkjet printer ejects a thin stream of:

Question # 19

A rheostat can e used:

Question # 20

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

Question # 21

Aluminum is a:

Question # 22

In a metal, the valence electrons are:

Question # 23

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

Question # 24

An electric field is generated along the wire when:

Question # 25

Electric flux is:

Question # 26

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

Question # 27

Selenium is:

Question # 28

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

Question # 29

In gases, the charge carriers are:

Question # 30

An inkjet printer uses in its operation:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 As the current flow through the wire:
A.

It generates heat in the wire

B.

It produces sound in the wire

C.

Resistance of the wire decreases

D.

Voltage across the ends is increased
2

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
3 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
4

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
5 In a metal, the valence electrons are:
A.

Attach to individual atoms

B.

Not attached to individual atoms

C.

Free to move within the metal

D.

Both (A) and (C)
6 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
7 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
8 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
9

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
10

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

Chemical energy

B.

Mechanical energy

C.

Heat energy

D.

Both (A) and (B)

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