4.Two charges 3xx10^-5 and 5xx10^4C are placed at a distance of 10cm from each other.Find the value of electrostatic force acting betwr\een them .

Two charged particles are placed at a distance 1.0 cm apart. What is the minimum possible magnitude of the electric force acting o each charge?

Two tiny, spherical water drops, with identical charges of -1.00 xx 10^(-16)C , have a center-to-center separation of 1.20 cm. (a) What is the magnitude of the electrostatic force acting between them ? (b) How many excess electrons are on each drop, giving it its charge imbalance ?

Two protons are a distance of 1 xx 10^(-10) cm from each other. The force acting on them are

Two point charges q_(1)=2xx10^(-3) C and q_(2)=-3xx10^(-6) C are separated by a distance x = 10 cm. Find the magnitude and nature of the force between the two charges.

Two identical charges, 5 muC each are fixed at a distance 8 cm and a charged particle of mass 9 xx 10^(-6) kg and charge -10 muC is placed at a distance 5 cm from each of them and is released. Find the speed of the particle when it is nearest to the two charges.

Two point charges 20xx10^(-6)C and -4xx10^(-6)C are separated by a distance of 50cm in air, Find (i) the point on line joining the charges, where the electrostatic potential is zero (ii) Also, Calculate the electrostatic potential energy of the system.

A non conducting spherical shell of diameter 10 cm has a charge of 1.6 xx 10^(-4)C . A charge of 20 C is placed at a distance of 10 cm from its centre, then force between them will be :-

Two point charges , -2muC and +6muC are fixed on a table at a distance 10 cm from each other. Where should the third charge be placed so that no net force acts on it ?