Two conducting spheres S₁ and S₂, of radii R₁ and R₂, are placed in the vacuum at a very large distance x compared to R₁ and R₂. The isolated sphere S₁ has a charge of q₁ and the sphere S₂ is maintained at the potential V₂ with respect to infinity. Calculate the potential V₁(x) of the sphere S₁, the charge q2(x) of the sphere S₂ and the force F(x) between the spheres in function distance x. R₁ 91 V₂ R₂

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Dielectric Constant Of Water

Water constitutes about 70% of earth.  Some important distinguishing properties of water are high molar concentration, small dissociation constant and high dielectric constant.

Electrostatic Potential and Capacitance

An electrostatic force is a force caused by stationary electric charges /fields. The electrostatic force is caused by the transfer of electrons in conducting materials. Coulomb’s law determines the amount of force between two stationary, charged particles. The electric force is the force which acts between two stationary charges. It is also called Coulomb force.