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nothingman7
.amico.

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 legge di ohm - la sezione

scusate, qualcuno sa dirmi come si trova la sezione di un filo avendo solo il diametro?

grazie
03-06-2008 18:31
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Sephirot
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La sezione del filo non è nient'altro che l'area del cerchio.
Quindi Sezione = π*r^2 cioè pi greco per il raggio al quadrato... ovviamente sai che il raggio è la metà del diametro.

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SEPHIROT
mi piacciono i bluvelvet menosi - http://www.menschenfreundlicher.ch/ - "secondo me basta copiarlo in notepad"
04-06-2008 14:17
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nothingman7
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grazie mille!
04-06-2008 18:08
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