A parallel-plate capacitor with plate area 3.0cm2 and airgap separation 0.50 mm is connected to a 12-V battery, and fully charged. The battery is then disconnected. (a) What is the charge on the capacitor? (b) The plates are now pulled to a separation of 0.75 mm. What is the charge on thecapacitor now? (c) What is the potential difference betweenthe plates now? (d) How much work was required to pullthe plates to their new separation?
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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 parallel-plate capacitor with plate area 3.0cm2 and airgap separation 0.50 mm is connected to a 12-V battery, and fully charged. The battery is then disconnected. (a) What is the charge on the capacitor? (b) The plates are now pulled to a separation of 0.75 mm. What is the charge on the
capacitor now? (c) What is the potential difference between
the plates now? (d) How much work was required to pull
the plates to their new separation?
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