Potential difference between the two points-electric field
An electron moves through an electric field, and its speed drops from 2800 m/s to 1900 m/s. What's the potential difference between the two points at which the speed was measured?
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A uniform electric field exists between two conducting plates separated by 1.9 mm. A dust grain with charge 65 nC (nano Coulomb's) between the plates feels a 22 N electric force. Find the potential difference between the plates.
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