Contributed by: Shah Saleem

Are you looking for the 12th Class Physics notes for Federal Board? You have come to the right place. The best part? You can download as well as you can view the notes without downloading.

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Chapter 11 – Electronics

Content: Short and Long Answers | Solved Exercises | MCQs

These Chapter 11 notes have:
  • State Coulomb’s Law and explain that force between two points charges is reduced
  • Derive the expression E= 1/4
  • Describe the concept of an electronic field
  • Much more!

Chapter 12 – Current Electricity

Content: Short and Long Answers | Solved Exercises | MCQs 

These Chapter 12 notes have:
  • Describe the concept of steady current
  • State ohm’s Law
  • Define resistivity and explain its dependence on temperature
  • Much More

Chapter 13 – Electromagnetism

Content: Short and Long Answers | Solved Exercises | MCQs 

These Chapter 13 notes have:
  • Explain that magnetic fields an example of field of force produced
  • Magnetic fields are an example of the field of force produced by a force-carrying particle. A magnetic field is a physical field produced by magnets or electric currents.
  • The Earth’s magnetic field is used for navigation by some migratory animals, including birds and turtles. For humans and other land-based life forms, it manifests in the aurora borealis, or northern lights (aurora australis, or southern lights, also occur but are not as visible to the naked eye).
  • The movement of a charge in an external magnetic field produces a force on it, according to the Lorentz force law. In addition to moving charges produce magnetic fields; static distributions of charges and currents also produce magnetic fields.
  • A magnetic field is a physical field produced by magnets. The term “magnetic field” is used for two distinct but closely related fields denoted by the symbols and . An external magnetic field , produced by an electromagnet, will exert a force on other magnets placed in the vicinity of the magnet producing the field; this effect is known as magnetic induction.
  • The magnetic field also deflects particles in orbit around the Earth known as the Van Allen radiation belts; were it not for this protection, life as we know it would probably not exist.
  • Describe magnetic effect of current
  • Describe and sketch field lines pattern due to a long straight wire
  • Much More!

Chapter 14- Electromagnetic Induction

Content: Short and Long Answers | Solved Exercises | MCQs 

These Chapter 14 notes have the following:
  • Describe the production of electricity by magnetism
  • Explain that induced emf’s can be a generator in two ways
  • Infer the factors affecting the magnitude of the induced emf
  • Much More!

Chapter 15- A.C Circuit

Content: Short and Long Answers | Solved Exercises | MCQs 

This Chapter 15 notes have:
  • Describe the terms time period, frequency, instantaneous peak value
  • Represent a sinusoidally alternating current or voltage by an equation
  • Describe the phase of A.C
  • Much more

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Chapter 16 – Physics of Solids

Content: Short and Long Answers | Solved Exercises | MCQs 

These Chapter 16 notes have:
  • Distinguish between the structure crystalline, glassy
  • Describe that deformation in solids is caused by a force
  • Describe the behavior of springs
  • Much More

Chapter 17 – Electronics

Content: Short and Long Answers | Solved Exercises | MCQs 

These Chapter 17 notes have:
  • Distinguish between intrinsic and extrinsic semiconductors
  • Distinguish between P & N type substance
  • Explain the concept of holes and electronics
  • Much More

Chapter 18- Dawn of the Modern Physics

Content: Short and Long Answers | Solved Exercises | MCQs 

These Chapter 18 notes have:
  • Distinguish between inertial and non-inertial frame of reference
  • Describe the significance of Einstein’s assumption
  • Identify that if c constant then space
  • Much more

Chapter 19 – Atomic Spectra

Content: Short and Long Answers | Solved Exercises | MCQs 

These Chapter 19 notes have:
  • Describe and explain the origin of different types of optical spectra
  • Show an understanding of the existence of discrete
  • Explain the uniqueness of the spectra
  • Much more

Chapter 20- Nuclear Physics

Content: Short and Long Answers | Solved Exercises | MCQs 

This Chapter 20 notes have:
  • Describe a simple model the atom to include protons
  • Determine the number of protons, neutrons
  • Determine the terms unified mass scale
  • Much more

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