# Homework Help: Resonance in Electrical Circuit

1. Oct 24, 2008

### just.karl

(a)Find the frequency at which a 33 uF capacitor has the same reactance as a 33 mH inductor. (b) What is the resonance frequency of an LC circuit made with this inductor and capacitor.

Well I believe the equation I use is 1 / (2 Pie $$\sqrt{}LC$$) but when I use it I come out with a answer very different from the real answer. Am I going about the right way with this problem? Thanks!

2. Oct 24, 2008

### marcusl

You are using

$$f=\frac{1}{2\pi \sqrt{LC}}$$

and this is the correct equation. Perhaps recheck your numbers?