Coulomb's Law | Class 12 Physics | Permittivity of free space | Electrostatics
Channel: Physics Buddies
Date: 15/01/2023

In this video, I'm teaching you about Coulomb's Law. This is a law that explains how charges affect each other. I'm going to give you a quick overview of the law and then we'll go into some examples.
Coulomb's law, named after French physicist Charles-Augustin de Coulomb, is a fundamental law of electrostatics that describes the interaction between electrically charged objects. The law states that the force of attraction or repulsion between two charged particles is proportional to the product of the charges and inversely proportional to the square of the distance between them.

Mathematically, Coulomb's law can be represented as follows: F = k * (q1 * q2)/r^2, where F is the force between two charged particles, q1, and q2 are their charges, r is the distance between them, k is a constant known as the Coulomb constant. The sign of the force between two charged particles depends on the nature of their charges; if they are both positive or negative, the force between them is attractive, while if they are opposite, the force between them is repulsive.

The importance of Coulomb's law lies in its ability to explain the behavior of electrically charged objects, such as the attraction between charged particles in a material and the repulsion of charged particles on the surface of a charged object. The law is also used in the calculation of electric fields, which are used to explain the behavior of charged particles in motion.

In conclusion, Coulomb's law is a fundamental law of electrostatics that describes the interaction between electrically charged objects and provides insight into the behavior of charged particles. The law is widely used in various applications, including in electrical engineering, physics, and other related fields.

If you're studying physics in Class 12 or in college, then you need to learn about Coulomb's Law. This law is important for understanding how charges affect each other, and it's a key part of classical physics. In this video, I'm teaching you about this important law, and I hope you enjoy it!
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Checkout the playlist of Chapter 12-Electrostatics;
https://youtube.com/playlist?list=PLsmtu9ogCbV4ZoZ2kcv4PD9C0ca3Fm44y
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