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 <title><![CDATA[关于电阻的测量求指教]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1558345.html]]></link>
 <description><![CDATA[Latest 50 replies of 关于电阻的测量求指教]]></description>
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 <description><![CDATA[P=U*U/R
电压不变的情况下，当然是电阻越小功率越大啦！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1558345#1841730.html]]></link>
 <author><![CDATA[linzhenfu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 02 Dec 2016 14:02:38 +0000]]></pubdate>
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 <description><![CDATA[U=P/I
相同电压下，功率大，电流就大。那么电阻小的，，，当然电流就大了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1558345#1841624.html]]></link>
 <author><![CDATA[再见理想]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 02 Dec 2016 09:02:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[看不懂，太深奥了 [s:26]&nbsp;&nbsp;[s:26]&nbsp;&nbsp;[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1558345#1841520.html]]></link>
 <author><![CDATA[hanqin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 02 Dec 2016 06:03:07 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这是电工还是电气工程师问的问题呢？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1558345#1841344.html]]></link>
 <author><![CDATA[jeffwang2011]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 01 Dec 2016 23:34:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不会吧,阻性负载,初中最基本的常识.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1558345#1841327.html]]></link>
 <author><![CDATA[tingfenghu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 01 Dec 2016 16:07:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[关于电阻的测量可以考虑这个公式：P=UIcos∮=I2Rcos∮;功率大的加热板，电流也大；电阻R=P/I2cos∮就小了。功率小的，电流小，相应的电阻就偏大。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1558345#1841291.html]]></link>
 <author><![CDATA[jinhaijun]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 01 Dec 2016 14:10:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[P=UI&nbsp;&nbsp;I=U/R]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1558345#1841282.html]]></link>
 <author><![CDATA[yunan8818]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 01 Dec 2016 13:59:08 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[I=U/R.P=IU.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1558345#1841281.html]]></link>
 <author><![CDATA[sylgq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 01 Dec 2016 13:58:24 +0000]]></pubdate>
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