12th Class Fsc Physics Online Preparation

Online Short Questions For Chapter 3 "12th Class Physics Chapter 3 Short Questions Preparation "

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Physics - 12th Class Physics Chapter 3 Short Questions Preparation

Question # 1

Define electromagnetism and give the name of one device in which electromagnetism is used.

  • Ans 1: The branch of physics which deals with electricity and magnetism and the interaction between them is known as electromagnetism.
    Electromagnetism is used in doorbells,electric motors such as electric fan etc.
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Prepare Complete Set Wise Questions For Chapter 3 "12th Class Physics Chapter 3 Short Questions Preparation "

12th Class Physics Chapter 3 Short Questions Preparation - Set 1

Question # 1

Define electromagnetism and give the name of one device in which electromagnetism is used.

  • Ans 1: The branch of physics which deals with electricity and magnetism and the interaction between them is known as electromagnetism.
    Electromagnetism is used in doorbells,electric motors such as electric fan etc.
Submit

12th Class Physics Chapter 3 Short Questions Preparation - Set 2

Question # 1

State ampere's law.

  • Ans 1: Ampere's law states that the sum of the quantity for all path elements into which the complete loop has been divided equal times the total current enclosed by the loop.
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12th Class Physics Chapter 3 Short Questions Preparation - Set 3

Question # 1

If a charge particle moves in a straight line through some region of space,can you say the magnetic field in the region is zero?

  • Ans 1: The magnitude of a magnetic force on a charge particle is F=qVB sin theta
    Magnetic field will be zero due to the following reasons.
    1. Magnetic field strength B in the region is zero.
    2. Magnetic field is parallel or antiparallel to the direction of motion.
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12th Class Physics Chapter 3 Short Questions Preparation - Set 4

Question # 1

Define Lorentz Force.

  • Ans 1: The combined effect of electric force and magnetic force exerted on charged particle is called Lorentz force.
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Physics
14th Chapter

12th Class Physics Ch 14 Preparation

Here you can prepare 12th Class Physics Chapter 14 (electromagnetism ) . Click the button for 100% free full practice .

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