October 7, 2015

Homework Help: Physics

Posted by Lauren on Thursday, August 2, 2012 at 8:37pm.

A series RCL circuit has a resonant frequency of 1500 Hz. When operating at a frequency other than 1500 Hz, the circuit has a capacitive reactance of 5.0 and an inductive reactance of 30.0 . What are the values of (a) L and (b) C?

I know I should be using these 2 equations:
Xc= 1/(2*pi*f*C)
Xl= 2*pi*f*L

Since each have 2*pi*f in them, with rearranging and substituting, you get:

C= L/(Xl*Xc)

However, with this it leaves the 2 unknowns, and I'm not sure what other equations I could use?

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