Two large, horizontal metal plates are separated by 0.020 m. A small plastic sphere is suspended halfway between them and experiences an electric force of 2.5 x 10-15 N that just balances the force of gravity on it. What is the potential difference between the plates, if the charge on the plastic sphere is +7.6 × 10-19 C? Calculate the mass of the plastic sphere.
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.
Two large, horizontal metal plates are separated by 0.020 m. A small plastic sphere is suspended halfway between them and experiences an electric force of 2.5 x 10-15 N that just balances the force of gravity on it.
- What is the potential difference between the plates, if the charge on the plastic sphere is +7.6 × 10-19 C?
- Calculate the mass of the plastic sphere.
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