70. An electron, having traveled in a flat capacitor from one plate to another, acquires a velocity of υ = 106 m / s. The distance between the plates d = 5,3 mm. Find the potential difference U between the plates, the electric field strength E inside the capacitor, and the surface charge density σ on the plates.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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