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Lösning 4.4:10 - Versionshistorik
2026-04-07T16:11:21Z
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Louwah den 22 mars 2018 kl. 12.58
2018-03-22T12:58:31Z
<p></p>
<table style="background-color: white; color:black;">
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<col class='diff-content' />
<col class='diff-marker' />
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<td colspan='2' style="background-color: white; color:black;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black;">Versionen från 22 mars 2018 kl. 12.58</td>
</tr>
<tr><td colspan="2" class="diff-lineno">Rad 1:</td>
<td colspan="2" class="diff-lineno">Rad 1:</td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><math>U = 230 V</math> <math>P = 500 W</math> <math>R = 17,1 \Omega</math><br\></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>U = 230 <ins style="color: red; font-weight: bold; text-decoration: none;">\,\mathrm{</ins>V<ins style="color: red; font-weight: bold; text-decoration: none;">}</ins></math><ins style="color: red; font-weight: bold; text-decoration: none;">, </ins> <math>P = 500 <ins style="color: red; font-weight: bold; text-decoration: none;">\,\mathrm{</ins>W<ins style="color: red; font-weight: bold; text-decoration: none;">}</ins></math><ins style="color: red; font-weight: bold; text-decoration: none;">, </ins> <math>R = 17,1 <ins style="color: red; font-weight: bold; text-decoration: none;">\,</ins>\Omega</math><br\></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><math>P = UI\cdot \cos\phi</math> <math>\cos\phi = U_R/U_Z = RI /ZI = R/Z </math><br\></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>P = UI\cdot \cos\phi</math><ins style="color: red; font-weight: bold; text-decoration: none;">, </ins> <math>\cos\phi = U_R/U_Z = RI /ZI = R/Z </math><br\></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><math>\omega = 314 rad/s</math><br\> </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>\omega = 314 <ins style="color: red; font-weight: bold; text-decoration: none;">\,\mathrm{</ins>rad/s<ins style="color: red; font-weight: bold; text-decoration: none;">}</ins></math><br\> </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><math>U = I\cdot Z</math> <math>P=UI\cdot R/Z = U^2R/Z^2</math><br\></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>U = I\cdot Z</math><ins style="color: red; font-weight: bold; text-decoration: none;">, </ins> <math>P=UI\cdot R/Z = U^2R/Z^2</math><br\></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div><math>500 = 230^2 \cdot 17,1/Z^2</math><br\></div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div><math>500 = 230^2 \cdot 17,1/Z^2</math><br\></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><math>Z = 42,5 \Omega</math> <math>\cos\phi = 17,1/42,5 = 0,40</math><br\></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>Z = 42,5 <ins style="color: red; font-weight: bold; text-decoration: none;">\,</ins>\Omega</math><ins style="color: red; font-weight: bold; text-decoration: none;">, </ins> <math>\cos\phi = 17,1/42,5 = 0,40</math><br\></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><math>Z = \sqrt{R^2 + \omega ^2 L^2}</math> <math>42,5 = \sqrt{17,1^2 + 314^2L^2}</math><br\></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>Z = \sqrt{R^2 + \omega ^2 L^2}</math> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>42,5 = \sqrt{17,1^2 + 314^2L^2}</math><br\></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><math>L = 0,123 H</math></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>L = 0,123 <ins style="color: red; font-weight: bold; text-decoration: none;">\,\mathrm{</ins>H<ins style="color: red; font-weight: bold; text-decoration: none;">}</ins></math></div></td></tr>
</table>
Louwah
http://wiki.math.se/wikis/forberedandefysik/index.php?title=L%C3%B6sning_4.4:10&diff=2282&oldid=prev
Lena Chytraeus den 26 januari 2010 kl. 12.07
2010-01-26T12:07:49Z
<p></p>
<table style="background-color: white; color:black;">
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<td colspan='2' style="background-color: white; color:black;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black;">Versionen från 26 januari 2010 kl. 12.07</td>
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<tr><td colspan="2" class="diff-lineno">Rad 11:</td>
<td colspan="2" class="diff-lineno">Rad 11:</td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div><math>Z = 42,5 \Omega</math> <math>\cos\phi = 17,1/42,5 = 0,40</math><br\></div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div><math>Z = 42,5 \Omega</math> <math>\cos\phi = 17,1/42,5 = 0,40</math><br\></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><math>Z = \sqrt{R^2 + \omega ^2 L^2}</math> <math>42,5 = \sqrt{17,<del style="color: red; font-weight: bold; text-decoration: none;">12 </del>+ 314^2L^2}</math><br\></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>Z = \sqrt{R^2 + \omega ^2 L^2}</math> <math>42,5 = \sqrt{17,<ins style="color: red; font-weight: bold; text-decoration: none;">1^2 </ins>+ 314^2L^2}</math><br\></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div><math>L = 0,123 H</math></div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div><math>L = 0,123 H</math></div></td></tr>
</table>
Lena Chytraeus
http://wiki.math.se/wikis/forberedandefysik/index.php?title=L%C3%B6sning_4.4:10&diff=2269&oldid=prev
Lena Chytraeus den 26 januari 2010 kl. 10.38
2010-01-26T10:38:37Z
<p></p>
<table style="background-color: white; color:black;">
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<td colspan='2' style="background-color: white; color:black;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black;">Versionen från 26 januari 2010 kl. 10.38</td>
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<tr><td colspan="2" class="diff-lineno">Rad 9:</td>
<td colspan="2" class="diff-lineno">Rad 9:</td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div><math>500 = 230^2 \cdot 17,1/Z^2</math><br\></div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div><math>500 = 230^2 \cdot 17,1/Z^2</math><br\></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Z = 42,5 <del style="color: red; font-weight: bold; text-decoration: none;">cos¶</del>=17<del style="color: red; font-weight: bold; text-decoration: none;">;</del>1<del style="color: red; font-weight: bold; text-decoration: none;">=</del>42<del style="color: red; font-weight: bold; text-decoration: none;">;</del>5=0<del style="color: red; font-weight: bold; text-decoration: none;">;40Z</del>=<del style="color: red; font-weight: bold; text-decoration: none;">pR2</del>+<del style="color: red; font-weight: bold; text-decoration: none;">!2L242;</del>5=<del style="color: red; font-weight: bold; text-decoration: none;">p17;</del>12+<del style="color: red; font-weight: bold; text-decoration: none;">3142L2 </del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"><math></ins>Z = 42,5 <ins style="color: red; font-weight: bold; text-decoration: none;">\Omega</math> <math>\cos\phi </ins>= 17<ins style="color: red; font-weight: bold; text-decoration: none;">,</ins>1<ins style="color: red; font-weight: bold; text-decoration: none;">/</ins>42<ins style="color: red; font-weight: bold; text-decoration: none;">,</ins>5 = 0<ins style="color: red; font-weight: bold; text-decoration: none;">,40</math><br\></ins></div></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>L=0<del style="color: red; font-weight: bold; text-decoration: none;">;123H</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"><math>Z </ins>= <ins style="color: red; font-weight: bold; text-decoration: none;">\sqrt{R^2 </ins>+ <ins style="color: red; font-weight: bold; text-decoration: none;">\omega ^2 L^2}</math> <math>42,</ins>5 = <ins style="color: red; font-weight: bold; text-decoration: none;">\sqrt{17,</ins>12 + <ins style="color: red; font-weight: bold; text-decoration: none;">314^2L^2}</math><br\></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"> </ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"><math></ins>L = 0<ins style="color: red; font-weight: bold; text-decoration: none;">,123 H</math></ins></div></td></tr>
</table>
Lena Chytraeus
http://wiki.math.se/wikis/forberedandefysik/index.php?title=L%C3%B6sning_4.4:10&diff=2268&oldid=prev
Lena Chytraeus den 26 januari 2010 kl. 10.35
2010-01-26T10:35:46Z
<p></p>
<table style="background-color: white; color:black;">
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<col class='diff-content' />
<col class='diff-marker' />
<col class='diff-content' />
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<td colspan='2' style="background-color: white; color:black;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black;">Versionen från 26 januari 2010 kl. 10.35</td>
</tr>
<tr><td colspan="2" class="diff-lineno">Rad 1:</td>
<td colspan="2" class="diff-lineno">Rad 1:</td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><math>U = 230 V</math> <math>P = 500 W</math> <math>R = 17,1 \Omega<del style="color: red; font-weight: bold; text-decoration: none;"></math> <math>P = UI\cdot \cos\phi</math> <math>\cos\phi = U_R/U_Z = RI /ZI = R/Z </del></math><br\></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>U = 230 V</math> <math>P = 500 W</math> <math>R = 17,1 \Omega</math><br\></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><math>\omega = 314 rad/s</math> <math>U = I\cdot Z</math> <math>P=UI\cdot R/Z = U^2R/Z^2</math> <del style="color: red; font-weight: bold; text-decoration: none;"> </del><math>500 = 230^2 \cdot 17,1/Z^2</math><br\></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"><math>P = UI\cdot \cos\phi</math> <math>\cos\phi = U_R/U_Z = RI /ZI = R/Z </math><br\></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>\omega = 314 rad/s</math<ins style="color: red; font-weight: bold; text-decoration: none;">><br\</ins>> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>U = I\cdot Z</math> <math>P=UI\cdot R/Z = U^2R/Z^2</math><ins style="color: red; font-weight: bold; text-decoration: none;"><br\></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>500 = 230^2 \cdot 17,1/Z^2</math><br\></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>Z=42<del style="color: red; font-weight: bold; text-decoration: none;">;5Êcos¶</del>=17;1=42;5=0;40Z=pR2+!2L242;5=p17;12+3142L2 </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>Z = 42<ins style="color: red; font-weight: bold; text-decoration: none;">,5 cos¶</ins>=17;1=42;5=0;40Z=pR2+!2L242;5=p17;12+3142L2 </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>L=0;123H</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>L=0;123H</div></td></tr>
</table>
Lena Chytraeus
http://wiki.math.se/wikis/forberedandefysik/index.php?title=L%C3%B6sning_4.4:10&diff=2267&oldid=prev
Lena Chytraeus den 26 januari 2010 kl. 10.34
2010-01-26T10:34:35Z
<p></p>
<table style="background-color: white; color:black;">
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<col class='diff-marker' />
<col class='diff-content' />
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<td colspan='2' style="background-color: white; color:black;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black;">Versionen från 26 januari 2010 kl. 10.34</td>
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<tr><td colspan="2" class="diff-lineno">Rad 1:</td>
<td colspan="2" class="diff-lineno">Rad 1:</td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><math>U = 230 V</math> <math>P = 500 W</math> <math>R = 17,1 \Omega</math> <math>P = UI\cdot \cos\phi</math<del style="color: red; font-weight: bold; text-decoration: none;">><br\</del>> <math>\cos\phi = U_R/U_Z = RI /ZI = R/Z </math></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>U = 230 V</math> <math>P = 500 W</math> <math>R = 17,1 \Omega</math> <math>P = UI\cdot \cos\phi</math> <math>\cos\phi = U_R/U_Z = RI /ZI = R/Z </math<ins style="color: red; font-weight: bold; text-decoration: none;">><br\</ins>></div></td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;">!</del>=<del style="color: red; font-weight: bold; text-decoration: none;">314rad</del>=<del style="color: red; font-weight: bold; text-decoration: none;">sU</del>=<del style="color: red; font-weight: bold; text-decoration: none;">IÁZP=UIÁR</del>=Z=<del style="color: red; font-weight: bold; text-decoration: none;">U2R=Z2500=2302Á17;</del>1<del style="color: red; font-weight: bold; text-decoration: none;">=Z2 </del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"><math>\omega </ins>= <ins style="color: red; font-weight: bold; text-decoration: none;">314 rad/s</math> <math>U </ins>= <ins style="color: red; font-weight: bold; text-decoration: none;">I\cdot Z</math> <math>P</ins>=<ins style="color: red; font-weight: bold; text-decoration: none;">UI\cdot R/Z </ins>= <ins style="color: red; font-weight: bold; text-decoration: none;">U^2R/</ins>Z<ins style="color: red; font-weight: bold; text-decoration: none;">^2</math> <math>500 </ins>= <ins style="color: red; font-weight: bold; text-decoration: none;">230^2 \cdot 17,</ins>1<ins style="color: red; font-weight: bold; text-decoration: none;">/Z^2</math><br\></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"> </ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Z=42;5Êcos¶=17;1=42;5=0;40Z=pR2+!2L242;5=p17;12+3142L2 </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Z=42;5Êcos¶=17;1=42;5=0;40Z=pR2+!2L242;5=p17;12+3142L2 </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>L=0;123H</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>L=0;123H</div></td></tr>
</table>
Lena Chytraeus
http://wiki.math.se/wikis/forberedandefysik/index.php?title=L%C3%B6sning_4.4:10&diff=2266&oldid=prev
Lena Chytraeus den 26 januari 2010 kl. 10.31
2010-01-26T10:31:34Z
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<td colspan='2' style="background-color: white; color:black;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black;">Versionen från 26 januari 2010 kl. 10.31</td>
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<tr><td colspan="2" class="diff-lineno">Rad 1:</td>
<td colspan="2" class="diff-lineno">Rad 1:</td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><math>U = 230 V</math> <math>P = 500 W</math> <math>R = 17,1 \Omega</math> <math>P = UI\cdot \cos\phi</math> <math>\cos\phi = U_R/U_Z = RI /ZI = R/Z </math></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>U = 230 V</math> <math>P = 500 W</math> <math>R = 17,1 \Omega</math> <math>P = UI\cdot \cos\phi</math<ins style="color: red; font-weight: bold; text-decoration: none;">><br\</ins>> <math>\cos\phi = U_R/U_Z = RI /ZI = R/Z </math></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>!=314rad=sU=IÁZP=UIÁR=Z=U2R=Z2500=2302Á17;1=Z2 </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>!=314rad=sU=IÁZP=UIÁR=Z=U2R=Z2500=2302Á17;1=Z2 </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Z=42;5Êcos¶=17;1=42;5=0;40Z=pR2+!2L242;5=p17;12+3142L2 </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Z=42;5Êcos¶=17;1=42;5=0;40Z=pR2+!2L242;5=p17;12+3142L2 </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>L=0;123H</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>L=0;123H</div></td></tr>
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Lena Chytraeus
http://wiki.math.se/wikis/forberedandefysik/index.php?title=L%C3%B6sning_4.4:10&diff=2265&oldid=prev
Lena Chytraeus den 26 januari 2010 kl. 10.31
2010-01-26T10:31:16Z
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<td colspan='2' style="background-color: white; color:black;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black;">Versionen från 26 januari 2010 kl. 10.31</td>
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<tr><td colspan="2" class="diff-lineno">Rad 1:</td>
<td colspan="2" class="diff-lineno">Rad 1:</td></tr>
<tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><math>U = 230 V</math> <del style="color: red; font-weight: bold; text-decoration: none;"> </del><math>P = 500 W</math> <del style="color: red; font-weight: bold; text-decoration: none;"> </del>R=17<del style="color: red; font-weight: bold; text-decoration: none;">;1ÊP</del>=<del style="color: red; font-weight: bold; text-decoration: none;">UIÁcos¶cos¶</del>=<del style="color: red; font-weight: bold; text-decoration: none;">UR=UZ</del>=RI<del style="color: red; font-weight: bold; text-decoration: none;">=</del>ZI=R<del style="color: red; font-weight: bold; text-decoration: none;">=</del>Z </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><math>U = 230 V</math> <ins style="color: red; font-weight: bold; text-decoration: none;"> </ins><math>P = 500 W</math> <ins style="color: red; font-weight: bold; text-decoration: none;"> <math></ins>R = 17<ins style="color: red; font-weight: bold; text-decoration: none;">,1 \Omega</math> <math>P </ins>= <ins style="color: red; font-weight: bold; text-decoration: none;">UI\cdot \cos\phi</math> <math>\cos\phi </ins>= <ins style="color: red; font-weight: bold; text-decoration: none;">U_R/U_Z </ins>= RI <ins style="color: red; font-weight: bold; text-decoration: none;">/</ins>ZI = R<ins style="color: red; font-weight: bold; text-decoration: none;">/</ins>Z <ins style="color: red; font-weight: bold; text-decoration: none;"></math></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>!=314rad=sU=IÁZP=UIÁR=Z=U2R=Z2500=2302Á17;1=Z2 </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>!=314rad=sU=IÁZP=UIÁR=Z=U2R=Z2500=2302Á17;1=Z2 </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Z=42;5Êcos¶=17;1=42;5=0;40Z=pR2+!2L242;5=p17;12+3142L2 </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Z=42;5Êcos¶=17;1=42;5=0;40Z=pR2+!2L242;5=p17;12+3142L2 </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>L=0;123H</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>L=0;123H</div></td></tr>
</table>
Lena Chytraeus
http://wiki.math.se/wikis/forberedandefysik/index.php?title=L%C3%B6sning_4.4:10&diff=2264&oldid=prev
Lena Chytraeus: Ny sida: <math>U = 230 V</math> <math>P = 500 W</math> R=17;1ÊP=UIÁcos¶cos¶=UR=UZ=RI=ZI=R=Z !=314rad=sU=IÁZP=UIÁR=Z=U2R=Z2500=2302Á17;1=Z2 Z=42;5Êcos¶=17;1=42;5=0;40Z=pR2+!2L242;5=p...
2010-01-26T10:18:55Z
<p>Ny sida: <math>U = 230 V</math> <math>P = 500 W</math> R=17;1ÊP=UIÁcos¶cos¶=UR=UZ=RI=ZI=R=Z !=314rad=sU=IÁZP=UIÁR=Z=U2R=Z2500=2302Á17;1=Z2 Z=42;5Êcos¶=17;1=42;5=0;40Z=pR2+!2L242;5=p...</p>
<p><b>Ny sida</b></p><div><math>U = 230 V</math> <math>P = 500 W</math> R=17;1ÊP=UIÁcos¶cos¶=UR=UZ=RI=ZI=R=Z <br />
!=314rad=sU=IÁZP=UIÁR=Z=U2R=Z2500=2302Á17;1=Z2 <br />
Z=42;5Êcos¶=17;1=42;5=0;40Z=pR2+!2L242;5=p17;12+3142L2 <br />
L=0;123H</div>
Lena Chytraeus