Question

What is the Maximum Electrostatic force between two charges

Answer 1

https://www.quora.com/What-will-be-the-maximum-electrostatic-force-when-we-divide-a-charge-Q-into-two-parts-In-my-book-its-done-using-this-dF-dq-0-but-I-cant-understand-why
What will be the maximum electrostatic force when we divide a ...

Answer 2

Answer:

Any quantity 'y' depends upon other any quantity 'x'.

If 'y' is maximum then -

d(y)/dx = 0

Similarly -

If Electrostatic Force is depending upon any quantity 'x' (it can be any charge or distance between the charges) then -

d(F)/dx = 0