7. A parallel plate capacitor has a plate area of 0.525 m² and a plate separation of 2.15 mm. What is its capacitance? 8. What plate separation is required for a parallel plate capacitor to have a capacitance of 9 nF if the plate area is 0.425 m²? 9. A capacitor has a capacitance of 50 pF, which increases to 150 pF when a dielectric material is between its plates. What is the dielectric constant of the Material? 10. A 50 pF capacitor is immersed in silicone oil, which has a dielectric constant of 2.6. When the capacitor is connected to a 24 V battery, a. what will be the charge of the capacitor? b. How much energy is stored in the capacitor?

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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.