Plasma engineering math problem

 

Plasma engineering math problem

 

Question: A Langmuir probe of 1 mm diameter and 10 mm long is connected vacuum chamber to measure ion saturation current. Find the plasma density from the following information: electronic charge, e = 1.6×10-19 C, Boltzmann constant k= 1.38×10-23 J/K, T= 300 K (Assume), and ion saturation current 60.55 µA



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