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Question

What is the coulomb's law in electrostatics?


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Solution

The coulomb's law in electrostatics:

The amount of the electrostatic force of attraction, as well as repulsion involving two-point charges, is approximately proportional to the product of their magnitudes as well as inversely proportional to the square of their distance.

Mathematical representation:

Mathematically, coulomb's law can be represented as

Fαq1q2

and,

Fα1r2

then,

Fe=Kq1q2r2

Here,

F is electrostatic force between two charges.

q1 is the first charge.

q2 is the second charge.

r is the distance between both charges.

K is coulomb's constant.

Therefore, the attraction or repulsion is directed along the line formed by the two charges in the coulomb's law.


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