ICS Part 2 Physics Chapter 15 Short Questions Preparation

12th Class Physics
Short Questions Preparation

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Online Short Questions For Chapter 4 "ICS Part 2 Physics Chapter 15 Short Questions Preparation "

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Physics - ICS Part 2 Physics Chapter 15 Short Questions Preparation

Question # 1

What is D.C motor?Write down part of D.C motor.

Ans 1: D.C motor is a device which converts electrical energy into mechanical energy.Main part of D.C motor are commutator ,armature and permanent magnet or electromagnet.

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Prepare Complete Set Wise Questions For Chapter 4 "ICS Part 2 Physics Chapter 15 Short Questions Preparation "

Set 1

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Set 2

10 Questions
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Set 3

10 Questions
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Set 4

10 Questions
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ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 1

Question # 1

What is D.C motor?Write down part of D.C motor.

Ans 1: D.C motor is a device which converts electrical energy into mechanical energy.Main part of D.C motor are commutator ,armature and permanent magnet or electromagnet.

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ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 2

Question # 1

Define the SI unit of mutual inductance.

Ans 1: If current is changing at the rate of one ampere per second and the emf induced across the ends of the coil is one volt then inductance is called one Henry.Its SI units are VsA^-1.

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ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 3

Question # 1

How the power is lost due to eddy current in a transformer and how this loss can be minimized?

Ans 1: The induced currents that are set up in the core of transformer in the direction perpendicular to the flux are known as eddy currents,It results in power dissipation and heating of the coral material.The insulation between lamination sheets should be perfect so as to stop the flow of eddy currents.

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ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 4

Question # 1

Does the induced emf always act to decrease the magnetic flux through a circuit?

Ans 1: No.the induced emf always oppose the cause that produce it.If the magnetic flux through the circuit is increasing then induced emf acts to decrease the magnetic flux.
it the magnetic flux through the circuit is decreasing,then induced emf acts to increase the magnetic flux.

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ICS Part 2 Physics Chapter 15 Short Questions Preparation

12th Class PhysicsShort Questions Preparation

12th Class Physics Chapter Wise Preparation

Online Short Questions For Chapter 4 "ICS Part 2 Physics Chapter 15 Short Questions Preparation "

Physics - ICS Part 2 Physics Chapter 15 Short Questions Preparation

What is D.C motor?Write down part of D.C motor.

Define electromagnetic induction.

What is back motor effect in generators?

Name four methods to produce induce emf.

Distinguished between AC generator and transformer.

What is mean by commutator in D.C generator?

Write down any one method used for the production of induced emf.

Can an electron at rest be set in motion with magnet?Explain

Why is split ring is used in DC generators in place of slips rings?

Differentiate between motor and generator.

Prepare Complete Set Wise Questions For Chapter 4 "ICS Part 2 Physics Chapter 15 Short Questions Preparation "

Set 1

Set 2

Set 3

Set 4

ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 1

What is D.C motor?Write down part of D.C motor.

Define electromagnetic induction.

What is back motor effect in generators?

Name four methods to produce induce emf.

Distinguished between AC generator and transformer.

What is mean by commutator in D.C generator?

Write down any one method used for the production of induced emf.

Can an electron at rest be set in motion with magnet?Explain

Why is split ring is used in DC generators in place of slips rings?

Differentiate between motor and generator.

ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 2

Define the SI unit of mutual inductance.

How the power is lost due to eddy current in a transformer and how this loss can be minimized?

What is back motor effect in generators?

Define self induction and mutual induction.

Define self induction and also write its SI units.

What is back emf in motors?

Why is split ring is used in DC generators in place of slips rings?

Distinguished between AC generator and transformer.

What changes are required to turn the D.C motors into a D.C generators?

What is the working principle of transformer?Explain

ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 3

How the power is lost due to eddy current in a transformer and how this loss can be minimized?

What changes are required to turn the D.C motors into a D.C generators?

When the primary of a transformer is connected to AC mains the current in it increase when secondary circuit is closed.Explain why?

Can an electric motor be used to derive and electric generator with output from the generator being used to operate the motor?

Can an electron at rest be set in motion with magnet?Explain

What changes are required to turn the D.C motor into D.C generators?

Distinguished between AC generator and transformer.

What is back motor effect in generators?

Why is split ring is used in DC generators in place of slips rings?

State the Lenz's law and define Henry.

ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 4

Does the induced emf always act to decrease the magnetic flux through a circuit?

What is DC motor?Write its principle.

When the primary of a transformer is connected to A.C mains,the current it is very small if the secondary circuit is open.Explain.

What happen to the current of a circuit if a load resistance of the circuit is much less than the power transferred?

Name four methods to produce induce emf.

Differentiate between motor and generator.

Define induced emf and induced current.

Define self induction and mutual induction.

A suspended magnet is oscillating freely in the horizontal plane.The oscillation are strongly damped when a metal plate is placed under,The magnet.Explain why its occurs.

Define electromagnetic induction.

ICS Part 2 Physics Chapter 15 Short Questions Preparation

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