Question 4 An electron is projected with an initial velocity u, = 10' m/s into the uniform field be- tween the parallel plates of Figure 4.26. It enters the field at the midway between the plates. If the electron just misses the upper plate as it emerges from the field. (a) Find the electric field intensity. (b) Calculate its velocity as it emerges from the field. Neglect edge effects. + + + 2 cm E 10 cm
Question 4 An electron is projected with an initial velocity u, = 10' m/s into the uniform field be- tween the parallel plates of Figure 4.26. It enters the field at the midway between the plates. If the electron just misses the upper plate as it emerges from the field. (a) Find the electric field intensity. (b) Calculate its velocity as it emerges from the field. Neglect edge effects. + + + 2 cm E 10 cm
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Transcribed Image Text:Question 4
An electron is projected with an initial velocity u, = 10' m/s into the uniform field be-
tween the parallel plates of Figure 4.26. It enters the field at the midway between the
plates. If the electron just misses the upper plate as it emerges from the field.
(a) Find the electric field intensity.
(b) Calculate its velocity as it emerges from the field. Neglect edge effects.
+
2 cm
10 cm
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