CRT television tubes used an electron gun to light up a phsophor screen. The ele

Question

CRT television tubes used an electron gun to light up a phsophor screen. The electron is deflected up or down by a set of parallel plates that generate a constant electric field. If the electron enters the plates with a speed of 2.2 x 10^7 m/s and the electric field is 4.2 kN/C. If the electron enters the plates directly in the middle, then what is the y-distance displacement of the electron as it leaves the plates?
The length of the plates is 25.0 cm and the distance between the plates is 12.0 cm.

Explanation / Answer

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