capacitor nas a capacitance of 500 pF, a plate of m², and à miIca dielectriC (- een the plates. At 77.0 V potential difference, calculate (a) the electric field magnitude E in arge on the plates, and (c) the magnitude of the iduced surface charge on the mica.
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.
We know that the parallel plate capacitance is given as
where k is the mica dielectric
is the permittivity of free space
A is the area
d is the distance between the plate.
We also know that the relation between the charge and potential is given as
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