Erjr2

Yeah I agree, it felt like much work for so little. I'll be sure to keep that in mind the next time. Thanks again for great answers.

Thank you very much for a good answer. And thanks for clearing up permeability and permittivity, guess I just got the two mixed up. Yes indeed, I did not take into account that the capacitor could keep functioning even though the air has become ionised. Thanks again for great help !

It is supposed to say 10^3 not 10^-3 at the end there.

Okay sorry, will keep that in mind. Thanks.

I cant understand where i am going wrong here. I appreciate any help.