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Resonace frequency

SOLVED
Amethyst

Resonace frequency

Hello everyone

 

I want to get the resonace frequency by L-C-R series circuit.

 

I tried 5 method. Please see attached file.

But I can not get the correct frequency by No.2,3,4,5 in this file.

 

Please explain...

 

1 ACCEPTED SOLUTION

Accepted Solutions

Re: Resonace frequency

The attached file may help

View solution in original post

5 REPLIES 5

Re: Resonace frequency

Prime 5

Re: Resonace frequency

minimum impedance.jpg

Re: Resonace frequency

The attached file may help

View solution in original post

Re: Resonace frequency

Hello ttokoro san

 

 I understood I need "assume" condition.

 

I tried Mathcad 15. In this case I needed "assume,ALL>0" in all case.

 

In No.5 , I could not get the answer  without unit.

Re: Resonace frequency

Hello Werner_E san

 

I understood SOLVE BLOCK or ROOT is good solution.

 

Thank you for your reply.