(a) Calculate the capacitance of a parallel-plate capacitor whose plates are 30. cm x 5.0 cm and are separated by a 3.0-mm air gap. (b) What is the charge on each plate if a 6-V battery is connected across the two plates? (c) What is the electric field between the plates? (d) Estimate the area of the plates needed to achieve a capacitance of 5F, given the same air gap d.
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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.
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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.
(a) Calculate the capacitance of a parallel-plate capacitor whose
plates are 30. cm x 5.0 cm and are separated by a 3.0-mm air gap. (b)
What is the charge on each plate if a 6-V battery is connected across
the two plates? (c) What is the electric field between the plates? (d)
Estimate the area of the plates needed to achieve a capacitance of 5F,
given the same air gap d.
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