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	<id>http://wiki.hamtools.org/index.php?action=history&amp;feed=atom&amp;title=Table_of_resistivities</id>
	<title>Table of resistivities - Revision history</title>
	<link rel="self" type="application/atom+xml" href="http://wiki.hamtools.org/index.php?action=history&amp;feed=atom&amp;title=Table_of_resistivities"/>
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	<updated>2026-05-02T04:06:21Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://wiki.hamtools.org/index.php?title=Table_of_resistivities&amp;diff=2672&amp;oldid=prev</id>
		<title>Carlb at 01:18, 9 April 2009</title>
		<link rel="alternate" type="text/html" href="http://wiki.hamtools.org/index.php?title=Table_of_resistivities&amp;diff=2672&amp;oldid=prev"/>
		<updated>2009-04-09T01:18:56Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 18:18, 8 April 2009&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l54&quot;&gt;Line 54:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 54:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|PTFE|Teflon||10&amp;lt;sup&amp;gt;22&amp;lt;/sup&amp;gt; to 10&amp;lt;sup&amp;gt;24&amp;lt;/sup&amp;gt;||?&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|PTFE|Teflon||10&amp;lt;sup&amp;gt;22&amp;lt;/sup&amp;gt; to 10&amp;lt;sup&amp;gt;24&amp;lt;/sup&amp;gt;||?&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{electronics}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Carlb</name></author>
	</entry>
	<entry>
		<id>http://wiki.hamtools.org/index.php?title=Table_of_resistivities&amp;diff=2063&amp;oldid=prev</id>
		<title>TimVK4YEH: Protected &quot;Table of resistivities&quot; [edit=autoconfirmed:move=autoconfirmed]</title>
		<link rel="alternate" type="text/html" href="http://wiki.hamtools.org/index.php?title=Table_of_resistivities&amp;diff=2063&amp;oldid=prev"/>
		<updated>2008-08-21T19:48:16Z</updated>

		<summary type="html">&lt;p&gt;Protected &amp;quot;&lt;a href=&quot;/index.php/Table_of_resistivities&quot; title=&quot;Table of resistivities&quot;&gt;Table of resistivities&lt;/a&gt;&amp;quot; [edit=autoconfirmed:move=autoconfirmed]&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 12:48, 21 August 2008&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>TimVK4YEH</name></author>
	</entry>
	<entry>
		<id>http://wiki.hamtools.org/index.php?title=Table_of_resistivities&amp;diff=791&amp;oldid=prev</id>
		<title>TimVK4YEH: added resistivities of common materials</title>
		<link rel="alternate" type="text/html" href="http://wiki.hamtools.org/index.php?title=Table_of_resistivities&amp;diff=791&amp;oldid=prev"/>
		<updated>2008-03-08T06:21:39Z</updated>

		<summary type="html">&lt;p&gt;added resistivities of common materials&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Related wiki page [[Resistors]]&lt;br /&gt;
&lt;br /&gt;
{|  border=&amp;quot;1&amp;quot;&lt;br /&gt;
!Material!!Resistivity (Ω-m) at 20 °C!!Coefficient*!&lt;br /&gt;
|-&lt;br /&gt;
|Silver||1.59×10&amp;lt;sup&amp;gt;−8&amp;lt;/sup&amp;gt;||.0038&lt;br /&gt;
|-&lt;br /&gt;
|Coppe||1.72×10&amp;lt;sup&amp;gt;−8&amp;lt;/sup&amp;gt;||.0039&lt;br /&gt;
|-&lt;br /&gt;
|Gold||2.44×10&amp;lt;sup&amp;gt;−8&amp;lt;/sup&amp;gt;||.0034&lt;br /&gt;
|-&lt;br /&gt;
|Aluminium||2.82×10&amp;lt;sup&amp;gt;−8&amp;lt;/sup&amp;gt;||.0039&lt;br /&gt;
|-&lt;br /&gt;
|Tungsten||5.60×10&amp;lt;sup&amp;gt;−8&amp;lt;/sup&amp;gt;||.0045&lt;br /&gt;
|-&lt;br /&gt;
|Nickel||6.99×10&amp;lt;sup&amp;gt;−8&amp;lt;/sup&amp;gt;||?&lt;br /&gt;
|-&lt;br /&gt;
|Brass||0.8×10&amp;lt;sup&amp;gt;−7&amp;lt;/sup&amp;gt;||.0015&lt;br /&gt;
|-&lt;br /&gt;
|Iron||1.0×10&amp;lt;sup&amp;gt;−7&amp;lt;/sup&amp;gt;||.005&lt;br /&gt;
|-&lt;br /&gt;
|Tin||1.09×10&amp;lt;sup&amp;gt;−7&amp;lt;/sup&amp;gt;||.0045&lt;br /&gt;
|-&lt;br /&gt;
|Platinum||1.1×10&amp;lt;sup&amp;gt;−7&amp;lt;/sup&amp;gt;||.00392&lt;br /&gt;
|-&lt;br /&gt;
|Lead||2.2×10&amp;lt;sup&amp;gt;−7&amp;lt;/sup&amp;gt;||.0039&lt;br /&gt;
|-&lt;br /&gt;
|Manganin||4.82×10&amp;lt;sup&amp;gt;−7&amp;lt;/sup&amp;gt;||.000002&lt;br /&gt;
|-&lt;br /&gt;
|Constantan||4.9×10&amp;lt;sup&amp;gt;−7&amp;lt;/sup&amp;gt;|| 0.00001 &lt;br /&gt;
|-&lt;br /&gt;
|Mercury||9.8×10&amp;lt;sup&amp;gt;−7&amp;lt;/sup&amp;gt;||.0009&lt;br /&gt;
|-&lt;br /&gt;
|Nichrome||1.10×10&amp;lt;sup&amp;gt;−6&amp;lt;/sup&amp;gt;||.0004&lt;br /&gt;
|-&lt;br /&gt;
|Carbon||3.5×10&amp;lt;sup&amp;gt;−5&amp;lt;/sup&amp;gt;||-.0005&lt;br /&gt;
|-&lt;br /&gt;
|Germanium||4.6×10&amp;lt;sup&amp;gt;−1&amp;lt;/sup&amp;gt;||-.048&lt;br /&gt;
|-&lt;br /&gt;
|Silicon||6.40×10&amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;||-.075&lt;br /&gt;
|-&lt;br /&gt;
|Glass||?||&lt;br /&gt;
|-&lt;br /&gt;
|Hard rubber||approx. 10&amp;lt;sup&amp;gt;13&amp;lt;/sup&amp;gt;||?&lt;br /&gt;
|-&lt;br /&gt;
|Sulfur||10&amp;lt;sup&amp;gt;15&amp;lt;/sup&amp;gt;||?&lt;br /&gt;
|-&lt;br /&gt;
|Paraffin||10&amp;lt;sup&amp;gt;17&amp;lt;/sup&amp;gt;||?&lt;br /&gt;
|-&lt;br /&gt;
|Quartz (fused)||7.5×10&amp;lt;sup&amp;gt;17&amp;lt;/sup&amp;gt;||?&lt;br /&gt;
|-&lt;br /&gt;
|Polyethylene terephthalate|PET||10&amp;lt;sup&amp;gt;20&amp;lt;/sup&amp;gt;||?&lt;br /&gt;
|-&lt;br /&gt;
|PTFE|Teflon||10&amp;lt;sup&amp;gt;22&amp;lt;/sup&amp;gt; to 10&amp;lt;sup&amp;gt;24&amp;lt;/sup&amp;gt;||?&lt;br /&gt;
|}&lt;/div&gt;</summary>
		<author><name>TimVK4YEH</name></author>
	</entry>
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