Answer
$f=1.59\mu F$
Work Step by Step
We know that;
$f=\frac{1}{2\pi \sqrt{LC}}$
This can be rearranged as:
$C=\frac{1}{(2\pi f)^2 L}$
We plug in the known values to obtain:
$C=\frac{1}{(2\times 3.1416\times 3500)^2\times 0.00130}=1.59\times 10^{-6}=1.59\mu F$
