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.
How is the energy of a capacitor when the potential difference is doubled?
Let the capacitance of the capacitor
Let the potential difference applied across the capacitor
The energy stored inside a capacitor is given by;
When the potential difference is doubled, the new energy stored inside the capacitor will be;
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