Calculate the coulomb's force between two alpha particles separated by a distance of `3.2 xx 10^(-15)m`.

Coulomb.s Law is a quantitative statement about the force between two point charges.Two ions carrying equal charges repel with a force of 1.48 x 10^(-8) N when they are separated by a distance of 5 x 10^(-10)m . How many electrons have been removed from each iron?

Two insulated charged copper spheres A and B have their center separated by a distance of 50 cm .What is the mutual force of electrostatic repulsion if the charge on each is 6.5xx10^(-7)C ?The radii of A and B are negligible compared to the distance of separation.

A dipole consisting of an electron and a proton separated by a distance 4xx10^(-10)m is situated in an electric field of intensity 3xx10^5NC^(-1) at an angle of 30^@ with the field. Calculate the dipole moment and torque acting on it.

Calculate the electrostatic force acting on a proton when it is placed in a uniform electric filed of 3.2 xx 10^4 NC^-1 .