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

Question # 2

Electric field lines emerge from the charge in:

Question # 3

Electric flux is:

Question # 4

A thermistor is a resistor which is:

Question # 5

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

Question # 6

An ideal voltmeter has:

Question # 7

Kirchhoff's first rule is also called:

Question # 8

The magnitude of chemical Effects depends upon:

Question # 9

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

Question # 10

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

Question # 11

The charge carries in the electrolyte are:

Question # 12

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

Question # 13

As the current flow through the wire:

Question # 14

The value of relative permittivity of different dielectrics are:

Question # 15

In case of metallic conductors, the charge carriers are

Question # 16

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

Question # 17

The third band of the colour code:

Question # 18

An example of photoconductor is:

Question # 19

The charge carriers in an electrolyte are

Question # 20

In gases, the charge carries are:

Question # 21

Heating effect of current utilized in:

Question # 22

An important part of inkjet printer is:

Question # 23

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

Question # 24

Thermistors are prepared under

Question # 25

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 # 26

Most practical applications of electricity involve

Question # 27

The fourth band is a:

Question # 28

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

Question # 29

Electrolysis is the study of conduction of electricity through:

Question # 30

Which instrument is expensive and difficult to use?

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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 free electrons in metals:
A.

Are in random motion and their speed depends upon temperature

B.

Move in particular direction

C.

Move with speed of light

D.

Move such that their speed does not depend on their temperature
3 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
4

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

Primary cell

B.

Secondary cell

C.

Both (A) and (B)

D.

Photovoltaic cell
5 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
6 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
7

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
8 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
9 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
10 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles

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