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

Selenium is:

Question # 2

In a metal, the valence electrons are:

Question # 3

In gases, the charge carries are:

Question # 4

An inkjet printer uses in its operation:

Question # 5

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

Question # 6

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

Question # 7

A field free region is found:

Question # 8

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

Question # 9

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

Question # 10

The electric flux through any surface depends upon:

Question # 11

Which instrument is expensive and difficult to use?

Question # 12

The passage of current is accompanied by a magnetic field in the surrounding space:

Question # 13

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

Question # 14

A thermistor is a resistor which is:

Question # 15

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

Question # 16

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

Question # 17

The quantity having the same unit as that of emf is:

Question # 18

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

Question # 19

Most practical application of electricity involve

Question # 20

The charge carriers in an electrolyte are

Question # 21

Electric flux is:

Question # 22

The emf is measured in:

Question # 23

Thermistors are prepared under

Question # 24

Kirchhoff's first rule is also called:

Question # 25

Most practical applications of electricity involve

Question # 26

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 # 27

Electrolysis is the study of conduction of electricity through:

Question # 28

The flux through a closed surface depends upon:

Question # 29

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

Question # 30

Heating effect of current utilized in:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
2 SI unit of current describes the flow of charge at the rate of
A. One ampere per second
B. One coulomb per second
C. One electron per second
D. 6.25 x 1018electrons per second
3 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
4 The term drift velocity is used when the ends of a wire are:
A.

Connected to a laser source

B.

Connected to a voltage source

C.

Not connected to a voltage source

D.

At different values of potential
5 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
6

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
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 charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
9 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
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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  • 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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