(a) If an isolated conducting sphere 10 cm in radius has a net charge of 4.0 mC and if V=0 at infinity, what is the potential on the surface of the sphere? (b) Can this situation actually occur, given that the air around the sphere undergoes electrical breakdown when the field exceeds 3.0 MV/m?
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Water constitutes about 70% of earth. Some important distinguishing properties of water are high molar concentration, small dissociation constant and high dielectric constant.
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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.
(a) If an isolated
charge of 4.0 mC and if V=0 at infinity, what is the potential on the
surface of the sphere? (b) Can this situation actually occur, given that
the air around the sphere undergoes electrical
breakdown when the field exceeds 3.0 MV/m?
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