COULOMB INVERSE SQUARE LAW AND OHM;S LOW

Coulomb inverse square law

The force between two charges is directly proportional to the multiplication of both charges, and is inversely proportional to the square of the distance between those two charges. Now that force can be attractive or repulsive.

Coulomb stated that this is an experimental rule And the force is central and protective force. The force follows Newton's third law of motion.

Suppose two point charges are q1 and q2 and then the distance between these two charges is r. Force of charge between two point charges first charge × second charge

F∝q1×q2

F∝1/r2

Then the combination of these two forms the formula of Coulomb’s law.

F∝q1×q2/r²

F=k×q1×q2/r²

Where k is a constant whose value is 1 / 4πε0

ohm's law

If no change is made in the physical conditions of the conductor i.e. length, temperature, pressure, etc., then the potential difference generated at the ends of the conductor is proportional to the current flowing in it.

If the applied voltage assumes V and the current flowing I assume then the relationship between Ohm's law-

V ∝ I

V=RI

Here R is a constant which is called Resistance.

                                                                  R=V/I

Increasing the value of voltage or differential  v also increases the value of current