Capacitance per length of co-axial cabel

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trans_pie

Find the capacitance per length of a co-axial cable with a conductor of radius a and a thin shield of
radius b.

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Defennder

Again, what have you done so far? Think of terms of Gauss law.

trans_pie

i got the answer 2π€/ln(b/a)

is it correct?

Last edited: Aug 7, 2008

Defennder

Yep, should be.

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