A parallel plate air capacitor has a capacitance of 5.00 F. What is the capacitance if a dielectric of permittivity of 2.00 is inserted between the plates of the original air capacitor? A.1.25 F B.2.50 F C.5.00 F D.10.0 F
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.
1. A parallel plate air capacitor has a capacitance of 5.00 F. What is the capacitance if a dielectric of permittivity of 2.00 is inserted between the plates of the original air capacitor?
| A.1.25 F |
| B.2.50 F |
| C.5.00 F |
| D.10.0 F |
2. It is important to avoid sharp edges or points on conductors used in high-voltage equipment because a sharp point on a charged conductor would produce a large electric field in the region near the point and an electric discharge could most easily take place at the point.
| A.Not enough information is given |
| B.Sometimes true |
| C.True |
| D.False |
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