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

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Question # 1

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

Question # 2

The charge carriers in an electrolyte are

Question # 3

The third band of the colour code:

Question # 4

Which instrument is expensive and difficult to use?

Question # 5

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

Question # 6

As the current flow through the wire:

Question # 7

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

Question # 8

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

Question # 9

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

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

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

Question # 12

A field free region is found:

Question # 13

Selenium is:

Question # 14

An inkjet printer uses in its operation:

Question # 15

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

Question # 16

Electrolysis is the study of conduction of electricity through:

Question # 17

Electric flux is:

Question # 18

An electric field is generated along the wire when:

Question # 19

Static electricity is produced by the transfer of:

Question # 20

The flux through a closed surface depends upon:

Question # 21

Most practical applications of electricity involve

Question # 22

The best conductor is:

Question # 23

The obvious effect/s of current is/are:

Question # 24

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

Question # 25

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

Question # 26

In a metal, the valence electrons are:

Question # 27

An important part of inkjet printer is:

Question # 28

In gases, the charge carriers are:

Question # 29

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

Question # 30

The current that flows through the coil of a motor causes

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
2

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)
3 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)
4

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
5 The strength of magnetic field at certain points around a wire depends upon:
A.

Value of current passing

B.

Distance from the current element

C.

Color of the material

D.

Both (A) and (B)
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 The third band of the colour code:
A. Gives the number of zeroes
B. Is decimal multiplier
C. Gives the resistance tolerance
D. Gives the third digit
8 As the current flows through the wire
A. It generates heat in the wire
B. It produces sound in the wire
C. Resistance of the wire decrease
D. Voltage across the ends is the increase
9 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
10 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion

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