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	<title>Winner Science &#187; Magnetic Materials</title>
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		<title>Ohm’s law and its derivation</title>
		<link>http://www.winnerscience.com/magnetic-materials-2/ohms-law-and-its-derivation/</link>
		<comments>http://www.winnerscience.com/magnetic-materials-2/ohms-law-and-its-derivation/#comments</comments>
		<pubDate>Tue, 22 Nov 2011 10:26:33 +0000</pubDate>
		<dc:creator>amit_physics</dc:creator>
				<category><![CDATA[Magnetic Materials]]></category>
		<category><![CDATA[definition mobility of electrons]]></category>
		<category><![CDATA[ohm law]]></category>
		<category><![CDATA[ohm's law derivation]]></category>
		<category><![CDATA[relation MOBILITY OF THE ELECTRON AND CURRENT]]></category>
		<category><![CDATA[statement ohm law]]></category>
		<category><![CDATA[unis of mobility]]></category>

		<guid isPermaLink="false">http://www.winnerscience.com/?p=2599</guid>
		<description><![CDATA[MOBILITY OF THE ELECTRON AND CURRENT Mobility of electron (ue) is defined as the drift velocity of electron per unit electric field applied. ue= drift velocity/electric field= Vd/E Thus                                 Vd=ueE The  SI unit of mobility is m2s-1V-1 or ms-1N-1C As  by the relation of the current and drift velocity (already discussed) I=Anevd (1) By&#8230;]]></description>
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		<title>RELATION BETWEEN CURRENT AND DRIFT VELOCITY</title>
		<link>http://www.winnerscience.com/magnetic-materials-2/relation-between-current-and-drift-velocity/</link>
		<comments>http://www.winnerscience.com/magnetic-materials-2/relation-between-current-and-drift-velocity/#comments</comments>
		<pubDate>Mon, 21 Nov 2011 17:08:14 +0000</pubDate>
		<dc:creator>amit_physics</dc:creator>
				<category><![CDATA[Magnetic Materials]]></category>
		<category><![CDATA[current and drift velocity]]></category>

		<guid isPermaLink="false">http://www.winnerscience.com/?p=2597</guid>
		<description><![CDATA[Let l is the length of the conductor and A uniforms area of cross-section. Therefore, the volume of the conductor = Al If n is the number of free electrons per unit volume of the conductor, then the total number of free electrons in the conductor=A/n. If e is the charge on each electron then&#8230;]]></description>
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		<slash:comments>2</slash:comments>
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		<title>Coercivity</title>
		<link>http://www.winnerscience.com/magnetic-materials-2/coercivity/</link>
		<comments>http://www.winnerscience.com/magnetic-materials-2/coercivity/#comments</comments>
		<pubDate>Sun, 03 Apr 2011 07:21:24 +0000</pubDate>
		<dc:creator>amit_physics</dc:creator>
				<category><![CDATA[Magnetic Materials]]></category>
		<category><![CDATA[coercive field]]></category>
		<category><![CDATA[Coercivity]]></category>
		<category><![CDATA[definition Coercivity]]></category>

		<guid isPermaLink="false">http://www.winnerscience.com/?p=1631</guid>
		<description><![CDATA[Coercivity is defined as the value of the magnetising field at which the intensity of magnetisation becomes zero. It is also known as coercive field. Hence, the coercivity of a material is a measure of the strength of the reverse magnetising field required to finish out the residual magnetism of the magnetic material. Reference: This&#8230;]]></description>
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		<slash:comments>0</slash:comments>
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		<title>Retentivity</title>
		<link>http://www.winnerscience.com/magnetic-materials-2/retentivity/</link>
		<comments>http://www.winnerscience.com/magnetic-materials-2/retentivity/#comments</comments>
		<pubDate>Sun, 03 Apr 2011 06:55:16 +0000</pubDate>
		<dc:creator>amit_physics</dc:creator>
				<category><![CDATA[Magnetic Materials]]></category>
		<category><![CDATA[definition residual magnetism]]></category>
		<category><![CDATA[definition retentivity]]></category>
		<category><![CDATA[remanence]]></category>
		<category><![CDATA[residual magnetism]]></category>
		<category><![CDATA[retentivity]]></category>

		<guid isPermaLink="false">http://www.winnerscience.com/?p=1627</guid>
		<description><![CDATA[The magnetism remaining in the magnetic material, even when the magnetising field is reduced to zero is called residual magnetism. The power of retaining this magnetism is called the retentivity or remanence. Therefore, the retentivity is also defined as the measure of the magnetisation remaining in the material when the field is totally removed. Reference:&#8230;]]></description>
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		<title>Soft magnetic materials</title>
		<link>http://www.winnerscience.com/magnetic-materials-2/soft-magnetic-materials/</link>
		<comments>http://www.winnerscience.com/magnetic-materials-2/soft-magnetic-materials/#comments</comments>
		<pubDate>Sun, 03 Apr 2011 06:47:54 +0000</pubDate>
		<dc:creator>amit_physics</dc:creator>
				<category><![CDATA[Magnetic Materials]]></category>
		<category><![CDATA[definition Soft magnetic materials]]></category>
		<category><![CDATA[Soft magnetic materials]]></category>

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		<description><![CDATA[Soft magnetic materials have low retentivity and low coercivity. These are those materials which have high initial permeability, low hysterisis loss and large magnetic induction. These materials can be easily magnetised and demagnetised. Therefore, these are known as soft magnetic materials. Reference: This article is referred from my authored book &#8220;electrical engineering materials&#8221; having ISBN&#8230;]]></description>
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		<title>Ferrites</title>
		<link>http://www.winnerscience.com/magnetic-materials-2/ferrites/</link>
		<comments>http://www.winnerscience.com/magnetic-materials-2/ferrites/#comments</comments>
		<pubDate>Wed, 30 Mar 2011 05:45:26 +0000</pubDate>
		<dc:creator>amit_physics</dc:creator>
				<category><![CDATA[Magnetic Materials]]></category>
		<category><![CDATA[chemical structure of ferrites]]></category>
		<category><![CDATA[definition ferrites]]></category>
		<category><![CDATA[ferrites]]></category>

		<guid isPermaLink="false">http://www.winnerscience.com/?p=1585</guid>
		<description><![CDATA[Ferrimagnetic materials commonly known as ferrites, can be generally represented by chemical formula XOFe2O3, where X stands for Mn, Co, Ni, Cu, Mg, Zn, Cd etc. If X is Fe, then compound is Fe3O4. X-ray crystallography proves that ferrites are usually crystals and have a spine structure. Reference: This article is referred from my book&#8230;]]></description>
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