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Resonace frequency

ssato
14-Alexandrite

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
Werner_E
24-Ruby V
(To:ssato)

The attached file may help

View solution in original post

5 REPLIES 5
ttokoro
20-Turquoise
(To:ssato)

Prime 5

ssato
14-Alexandrite
(To:ttokoro)

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.

-MFra-
21-Topaz II
(To:ssato)

minimum impedance.jpg

Werner_E
24-Ruby V
(To:ssato)

The attached file may help

ssato
14-Alexandrite
(To:Werner_E)

Hello Werner_E san

 

I understood SOLVE BLOCK or ROOT is good solution.

 

Thank you for your reply.

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