Consider a parallel plate capacitor, with no dielectric material, attached to a battery with a fixed voltage. What happens when a dielectric is inserted into the capacitor? a. Nothing changes, except now there is a dielectric in the capacitor. b. The energy in the system decreases, making it very easy to move the dielectric in. c. You have to do work to move the dielectric, increasing the energy in the system. d. The reversed polarity destroys the battery.
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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.
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.
Consider a parallel plate capacitor, with no dielectric material, attached to a battery with a fixed voltage. What happens when a dielectric is inserted into the capacitor?
a. Nothing changes, except now there is a dielectric in the capacitor.
b. The energy in the system decreases, making it very easy to move the dielectric in.
c. You have to do work to move the dielectric, increasing the energy in the system.
d. The reversed polarity destroys the battery.
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