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 obvious effect/s of current is/are:

Question # 2

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

Question # 3

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 # 4

An inkjet printer uses in its operation:

Question # 5

As the current flows through the wire

Question # 6

Kirchhoff's first rule is also called:

Question # 7

Static electricity is produced by the transfer of:

Question # 8

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

Question # 9

An important part of inkjet printer is:

Question # 10

The effects of bends in a wire on its electrical resistance are:

Question # 11

Gaussian surface is always:

Question # 12

The emf is measured in:

Question # 13

The value of relative permittivity of different dielectrics are:

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

A field free region is found:

Question # 19

Aluminum is a:

Question # 20

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

Question # 21

As the current flow through the wire:

Question # 22

In case of two identical charges placed certain distance apart, the electric field lines are:

Question # 23

The current that flows through the coil of a motor causes

Question # 24

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

Question # 25

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

Question # 26

The electric flux through any surface depends upon:

Question # 27

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

Question # 28

Heating effect of current utilized in:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
2 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
3 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
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

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
6 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
7

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
8 Thermistors are prepared under
A. High pressure and low temperature
B. High pressure and high temperature
C. Low pressure and low temperature
D. Low pressure and high temprature
9

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge
10 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons

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