Question

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Explain the Columbs law....??​

Answer 1

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▪ Coulomb's law states that:

➡️ The magnitude of the electrostatic force of attraction or repulsion between two point charges is directly proportional to the product of the magnitudes of charges and inversely proportional to the square of the distance between them.

Answer 2

Explanation:

Coulomb's law :

It is the force between two point charges.

This law state that " the force of intersection between any two point charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between the two charges.

Note :

1. The force is repulsive , if charges have the same sign and attractive , if they have opposite sign.

Suppose two point charges q1 and q2 are separated in space - time by distance r , then force between two charges is :

q1.....................................q2

r

F = K q1 q2 / r^2.

Where : K is permittivity of free space

$k \: = \: \frac{1}{4\pi \: epsilon}$

For air the epsilon become epsilon not

And the value of K for are is nearly :

$9 \times {10}^{9} \ \: newton \: {m}^{2} per \: {c}^{2}$

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