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Electric charges and fields are a fundamental concept in physics that explains the behavior of electrically charged particles and the forces between them. This concept is essential in understanding various physical phenomena, including the behavior of atoms, the functioning of electronic devices, and the principles of electricity and magnetism. In this article, we will discuss electric charges and fields and their significance in physics.

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Coulomb's Law:
Coulomb's law states that the electric force between two charged particles is directly proportional to the product of their charges and inversely proportional to the square of the distance between them. Mathematically, F = k(q1q2/r^2), where F is the electric force, q1 and q2 are the charges of the two particles, r is the distance between them, and k is the Coulomb constant.