Impedance Magnitude In Series RLC Circuits

Thread Starter

Ryzing

Joined Sep 22, 2010
4
Hi,

My problem this time have to do with
series RLC circuits and it is impedance magnitude. Here is my attempt on the question:

"R=470 Ohms, L=4 H, C=104µF & e is a 90 V, 9Hz power supply. What is the magnitude of the impedance of the circuit?"

The solution:

6.28x9Hzx4 H=226.19 ohms

1/6.28x9Hzx104µF=170.03 ohms

226.19-170.03=56.16

470^2+56.16^2square root= 58.09

I seem to be lost in this question. Thanks.
 

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