(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Calculate the J notation impedance of the network

We have an inductor in series with a resistor and both in parallel with a capacitor.

2. Relevant equations

3. The attempt at a solution

i believe it is true that if I was to say: if I have an inductor in parallel with a capacitor then:

Product/Sum = XL*-XC/XL-XC

This would then go like (XL*-XC)(XL+XC)/(XL-XC)(XL+XC) because of complex conjugate.

If this then was as above in the original setup:

We have an inductor in series with a resistor and both in parallel with a capacitor.

then could you say:

(R+JXL)*(-JXC)/(R+JXL-JXC) or (R+J(XL-XC))

Could I then say by complex conjugate:

((R+JXL)*(-JXC)) (R-J(XL-XC))/(R+J(XL-XC)) (R-J(XL-XC))

Thanks for any help in advance, it is much appreciated.

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Working out the impedance of a network query

**Physics Forums | Science Articles, Homework Help, Discussion**