What is k in Electrostatic Force?

Answer: The force between two electrically charged particles can be defined. They can have an attractive or repulsive force. When two charges are in opposition to one another, they will repel one another. It is also called as coulomb force.

It can be calculated by following formula;

F = k q1q2r2

Here,

k =A proportionality constant is the coulomb constant

k = 9.0 109 N.m2/C2

q1,q2 = Electrical charges

r = Distance between two charges