1. A capacitor consists of two square metal plates, each measuring 0.05 m². In between the plates is a sheet of mica (ɛ = 4.8 x 10-11 C²/Nm²) measuring 0.1 mm thick. (a) What is the capacitance of this capacitor? (b) If the charge in one plate is 20 nC, what is the potential difference between the plates?
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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) What is the capacitance of this capacitor?
(b) If the charge in one plate is 20 nC, what is the potential difference between the plates?
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