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

Heating effect of current utilized in:

Question # 2

In order to have a constant current through wire, the potential difference across its end should:

Question # 3

Selenium is:

Question # 4

In a metal, the valence electrons are:

Question # 5

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 # 6

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

Question # 7

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

Question # 8

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

Question # 9

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 # 10

An inkjet printer uses in its operation:

Question # 11

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

Question # 12

The charge carries in the electrolyte are:

Question # 13

An electric field is generated along the wire when:

Question # 14

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

Question # 15

Electric flux is:

Question # 16

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

Question # 17

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

Question # 18

Static electricity is produced by the transfer of:

Question # 19

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

Question # 20

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

Question # 21

The best conductor is:

Question # 22

An important part of inkjet printer is:

Question # 23

The third band of the colour code:

Question # 24

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

Question # 25

The value of relative permittivity of different dielectrics are:

Question # 26

The charge carriers in an electrolyte are

Question # 27

The positive charge moving in one direction is equivalent in all external affects to a:

Question # 28

The obvious effect/s of current is/are:

Question # 29

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

Question # 30

In a metal, the valence electrons are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
2 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
3 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
4 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
5 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
6 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
7 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

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

Decreases

B.

Increases

C.

Remains the constant

D.

Either of these
10

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge

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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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