Show that when a field line hits a surface that separates two dielectrics with dielectric constants εr1 and εr2 and that makes angles θ1 and θ2 with the normal to the surface of the two media you have the relationship: εr1 cot θ1 = εr2 cot θ2
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.
Show that when a field line hits a surface that separates two dielectrics with dielectric constants εr1 and εr2 and that makes angles θ1 and θ2 with the normal to the surface of the two media you have the relationship:
εr1 cot θ1 = εr2 cot θ2
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