Define electrostatic force.

Corite the value of electrostatic force constant in S.I. System.

Write the value of electrostatic force constant in C.G.S. System.

Compare the electrostatic force acting between two charged particles and the gravitational force acting between them.

State and explain the principle fo superposition as applied to electrostatic force on a charge due to a number of other charge.

Define surface density of electric charge. Two large conducting spheres carrying charges Q_(1) and Q_(2) are brought close to each other. Is the magnitude of the electrostatic force between them exactly given by (Q_(1)Q_(2))/(4 pi epsilon_(0)r^(2)) where r is the distance betwen their centres?

Two large conducting sphere carrying charges Q_(1) and Q_(2) are brought close to each other. Is the magnitude of the electrostatic force between them exactly given by Q_(1) Q_(2) //4pi in_(0) r^(2) , where r is the distance between their centres ?

The electrostatic force between the metal plates of an isotated parallel plate capacitor C having a charge Q and area A, is

The electrostatic force between two point charges and the gravitational attractive force between two point masses- both are inversely proportional to the square of the distance between the charges and the masses, respectively. (1)(a) Compare the eletrostatic force (F_(C)) and the gravitational force (F_(G)) between an electron and a proton. (b) Compare F_(C) and F_(G) between two protons. (ii) Find out the accelerations of an electron and of a proton due to the electrostatic force between them when htey are placed at a distance of 1 Å

The electrostatic force on a small sphere of charge 0.4muC due to another small sphere of charge -0.8muC in air is 0.2N What is the force on the second sphere due to the first ?