Talk:Admittance

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[edit] EXPAND: Geophysical interpretation

This article does not mention the use of admittance in Geophysics. Verisimilus T 10:15, 16 May 2007 (UTC)

Done, and tag removed. But I think that this should have an article of its own, along with mechanical admittance, rather than being tacked on to this article. Although the mechanical and electrical concepts are clearly strongly analogous, they are still not the same thing. SpinningSpark 22:58, 29 March 2008 (UTC)

[edit] context needed

<tag removed>

69.140.152.55 (talk) 05:34, 29 February 2008 (UTC)

Done, and tag removed. I have firstly, moved all the equation stuff (and added one that was missing) to a sub-heading. The equations are really about how to convert to and from impedance and do not really add anything to the understanding of the concept. The sub-heading will now alert the casual reader that there is no need to go into it if not desired. Secondly, I have added a paragraph trying expand on what the quantity represents. However, IMHO the first line says it all, it is the inverse of Z. That's all there is to it really. SpinningSpark 23:05, 29 March 2008 (UTC)

[edit] Question to "Admittance in mechanics": relation of position to force?

Quote from section "Admittance in mechanics":

"... would have inputs of force and would have outputs such as position or velocity ..."

Is position really correct? In the article to impedance only velocity is mentioned. 160.85.104.90 (talk) 15:59, 14 April 2008 (UTC)

Maybe mechanical science does not define these terms so strictly as electrical science. The impedance article states that mobility is also the inverse of impedance. Unfortunately, there is no mechanical mobility article and I don't know their definition, but in electronics, mobility of a charge is defined as velocity/electric field (electric field is force per charge). I am only guessing, but possibly mobility is the preferred term where velocity is the output and admittance where distance is the output. We need some good references here really. SpinningSpark 20:23, 14 April 2008 (UTC)