Difference between revisions of "User: Mibj"
From Teknologisk videncenter
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x = \sqrt{ 200 } | x = \sqrt{ 200 } | ||
</math> | </math> | ||
| + | ---- | ||
| + | *Effekt | ||
| + | <div align="center"> | ||
| + | {|width="100%" border="1" rules="all" cellpadding="10" cellspacing="0" style=" style="border:solid 1px gray"; margin: 1em; background: white; border-collapse: collapse;" | ||
| + | |<math>P = U \cdot I = {U^2 \over R} = R \cdot I^2</math> | ||
| + | | width="30%" valign="bottom" style="text-align:right;" |(1) | ||
| + | |} | ||
Revision as of 10:53, 19 October 2010
TODO: note om netværk med videre.
<math>
\operatorname{erfc}(x) =
\frac{2}{\sqrt{\pi}} \int_x^{\infty} e^{-t^2}\,dt =
\frac{e^{-x^2}}{x\sqrt{\pi}}\sum_{n=0}^\infty (-1)^n \frac{(2n)!}{n!(2x)^{2n}}
</math>
<math> x = \sqrt{ 200 } </math>
- Effekt
| <math>P = U \cdot I = {U^2 \over R} = R \cdot I^2</math> | (1) |