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 motor into D.C generators?

  • Ans 1:
    1. In order to convert DC motor into DC 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 motor into D.C generators?

  • Ans 1:
    1. In order to convert DC motor into DC 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

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

State the Lenz's law and define Henry.

  • Ans 1: Lenz's Law: It states that the direction of induced current is always so as to opposite the change which cause the current.
    Henry: If the current in the primary is changing at the rate of one ampere per second and the emf induced across the ends of the secondary coil is one volt then the mutual inductance is called one henry.
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ICS Part 2 Physics Chapter 15 Short Questions Preparation - Set 4

Question # 1

In a certain region the earth's magnetic field points vertically down,When a plane flies due north,which wing tip is positively charged?

  • Ans 1: When the plane flies due north in the earth magnetic field directed vertical downward,then electron will experience force in east direction,Thus west wingtip of the plane is positively charged.
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ICS Part 2 Physics Chapter 15 Short Questions Preparation

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