Townsend first and second ionization coefficient problem

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Bevyclare
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Hello Everyone,

I have been trying to solve problem on Townsend 1st and 2nd coefficient.

Attached is the question and my solution to it.

Can soneone assist by confirming if the solution is correct.
 
Attachments
Please let someone assist to review the attached solution. I am not sure of the answer. Please assist!
 
i need some help myself in a question regarding townsend's deischarge..
can u help??
 
Attachments
  • Townsend coeff1.doc
    Townsend coeff1.doc
    27 KB · Views: 505
  • Table of experimental current values in amperes for gap spacings 1 to 10 mm, with a note that the minimum current is 2.2*10^-14 A and a request to plot ln(I/I0) against gap spacing.
    Capture.JPG
    23.8 KB · Views: 946
I'd also be interested to know if the OP's solution was along the right lines ...