geg.:
- UB = 250V
- m = me = 9,1·10-31 kg
- q = e = 1,6 · 10-19 C
ges.: v
Lsg.: Herleitung wie oben
{\large \begin{array}{l}v\,\,=\,\sqrt{\frac{2\,\cdot e\,\cdot \,U}{{{m}_{e}}}}\\\\v\,\,=\,\sqrt{\frac{2\,\cdot 1,6\cdot {{10}^{-19}}\,\,C\cdot \,250\,V}{9,1\,\cdot {{10}^{-31}}\,kg}}\\\\v\,=\,9,4\,\cdot \,{{10}^{6}}\,\sqrt{\frac{\text{C}\,\cdot \,\text{V}}{\text{kg}}}\end{array}}