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

  • Ans 1:
    1. In order to convert to convert DC motor into SC generator,the magnetic field must be supplied by the permanent magnet and not by electromagnet.
    2. An arrangement to rotate the coil armature should be provided and battery must be removed.
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Prepare Complete Set Wise Questions For Chapter 4 "ICS Part 2 Physics Chapter 15 Short Questions Preparation "

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

Question # 1

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

  • Ans 1:
    1. In order to convert to convert DC motor into SC generator,the magnetic field must be supplied by the permanent magnet and not by electromagnet.
    2. An arrangement to rotate the coil armature should be provided and battery must be removed.
Submit

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

Question # 1

State Faraday's law of electromagnetic induction.

  • Ans 1: It states that
    "The average emf induced in a conducting coil of N loops is equal to the negative of the rate at which the magnetic flux through the coil is changing with time".
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ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 3

Question # 1

Name four methods to produce induce emf.

  • Ans 1: An induce emf is produced in the loop if the magnetic flux through it changes.The methods to produce induced emf are:
    1. A bar magnet is moved towards the coil.
    2. By changing the area of the coil in a constant magnetic field.
    3. A coil of constant area is rotated in a constant magnetic field,
    4. The coil is placed in the magnetic field of an electromagnet.

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

Question # 1

Can DC motor be turned into DC generator?What changes are required to be done?

  • Ans 1: Yes ,a D.C motor can be converted into D.C generator.For this armature of the motor is to be coupled with some rotating body.Due to rotation ,magnetic flux through the coil changes so and emf will be induced at the output.Hence the motor acts as a generator.
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ICS Part 2 Physics Chapter 15 Short Questions Preparation

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