What are the laws of electrostatic attraction and repulsion?

Which of the following statement are correct for the ionic solids in which positive and negative ions are held by strong electrostatic attractive forces ?

Define electrostatic force.

What is electrostatic series?

What do you mean by electrostatic induction ?

What are the constants of Boyle’s law?

The insultated plates of a charged parallel capacitor (with small separation between the plates) are approaching each other due to electrostatic attraction. Assuming no other force to the operative and no radiation taking place, which of the following graphs approximately shows the variation with the (t) of the potential difference (V) between the plates?

A light charged particle is revolving in a circle of radius r in electrostatic attraction of a static heavy particle with opposite charge. How does the magnetic field B at the centre of the circle due to the moving charge depend on r?

What are the constants of Charle’s law—

What are the constant of Charles' law?