dB Idx sin Idx cos tan dx d cos r dB d cos cos 952d cos 952d sin sin Length of wire tan tan Wire of in64257nite length 90 90 960R 2632008 tsl216 316 brPage 2br Magnetic Field Generated by Current in Straight Wire 2 Consider a current in a straigh ID: 27526 Download Pdf

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dB Idx sin Idx cos tan dx d cos r dB d cos cos 952d cos 952d sin sin Length of wire tan tan Wire of in64257nite length 90 90 960R 2632008 tsl216 316 brPage 2br Magnetic Field Generated by Current in Straight Wire 2 Consider a current in a straigh

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Magnetic Field Generated by Current in Straight Wire (1) Consider a ﬁeld point that is a distance from the axis of the wire. dB Idx sin Idx cos tan dx d cos /r dB d cos cos θd cos θd (sin sin Length of wire: (tan tan Wire of inﬁnite length: 90 , = 90 πR 26/3/2008 [tsl216 3/16]

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Magnetic Field Generated by Current in Straight Wire (2) Consider a current in a straight wire of inﬁnite length. The magnetic ﬁeld lines are concentric circles in planes prependicular to the wire. The magnitude of the magnetic ﬁeld at

distance from the center of the wire is πR The magnetic ﬁeld strength is proportional to the current and inversely proportional to the distance from the center of the wire. The magnetic ﬁeld vector is tangential to the circular ﬁeld lines and directed according to the right-hand rule. 26/3/2008 [tsl217 4/16]

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Magnetic Field Generated by Current in Straight Wire (3) Consider the magnetic ﬁeld in the limit (sin sin sin 1 + sin 1 + 1 + 26/3/2008 [tsl380 5/16]

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