A square parallel plate capacitor (length of each side = x) with plate separation d and a circular parallel plate capacitor (diameter = x and separation d) are both filled with the same dielectric material (k = 3.8). Which of the capacitors have a larger capacitance? Explain your answer. Given that the length of the square plates is 1.65 m, determine the k for the dielectric that must be inserted into the circular capacitor so that equal capacitance results for each capacitor. 2. A 3.0μF parallel-plate capacitor is connected to a constant voltage source. If the distance between the plates of this capacitors is 4mm and the capacitor holds a charge of 12.0μC, what is the value of the electric field between the plates of this capacitor?
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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.
1. A square parallel plate capacitor (length of each side = x) with plate separation d and a circular parallel plate capacitor (diameter = x and separation d) are both filled with the same dielectric material (k = 3.8). Which of the capacitors have a larger capacitance? Explain your answer. Given that the length of the square plates is 1.65 m, determine the k for the dielectric that must be inserted into the circular capacitor so that equal capacitance results for each capacitor.
2. A 3.0μF parallel-plate capacitor is connected to a constant voltage source. If the distance between the plates of this capacitors is 4mm and the capacitor holds a charge of 12.0μC, what is the value of the electric field between the plates of this capacitor?
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