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Class 12th physics ch 1 notes
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  • Class 12th
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  • Class 12th

In this pdf you will be getting important short notes of class 12th physic chapter 1 also some important questions and formulas at the end .. The best thing is they are short and easy to understand . Only important exams topics are explained

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Document information

  • September 30, 2023
  • 4
  • 2023/2024
  • Class notes
  • Rupak chadda
  • 12th and 11th

Subjects

  • ch 1
  • questions
  • formulas
  • physics
  • class 12th
  • india
  • cbse
  • notes

Written for

  • Class 12th
All documents for this subject (16)

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N O T E S


ELECTRIC CHARGES:
Charge: Basic property of matter, can be positive or negative.
Conservation of Charge: Charge is neither created nor
destroyed, only transferred.

CONDUCTORS AND INSULATORS:
Conductors: Materials allowing the flow of charge (e.g., metals).
Insulators: Materials impeding the flow of charge (e.g., rubber,
plastic).

CHARGING BY INDUCTION AND CONDUCTION:
Induction: Bringing a charged object close to a neutral object, inducing a
charge separation.
Conduction: Charging a neutral object by direct contact with a charged
object.

COULOMB'S LAW:
Coulomb's Law: Describes the electrostatic force between two charged
objects.
F = k*|q1*q2|/r^2: where f is electrostatic force, q1 and q2 are the charges, r
is the distance between them, and k is Coulomb’s constant.

ELECTRIC FIELDS:
Electric Field (E): Region around a charged object where it can exert a force
on another charged object.
E = F/q ​: Electric field strength is the force experienced per unit positive
charge

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