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magnetic field (Question)

shivam123 said – Thu, 01 Oct 2009 11:16:05 -0000 ( Link )

what is the magnetic field at the axis and surface of a wire?

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  1. djchalil said – Wed, 07 Oct 2009 07:48:02 -0000 ( Link )

    Indicate whether the wire is charged. Also indicate whether the wire forms a circular loop, semi-circular, straight, finite or infinite.

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  2. niharikakapoor said – Wed, 07 Oct 2009 12:15:07 -0000 ( Link )

    At the axis, the magnetic field is O bcoz theta is zero. At the surface, it is zero bcoz length is zero. The basic formula is B=I.dl.sino

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  3. romie said – Wed, 07 Oct 2009 12:50:19 -0000 ( Link )

    does the circular wire carries current??

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  4. dedlee said – Wed, 07 Oct 2009 16:45:07 -0000 ( Link )

    hey niharica i think that you must revise your study of magnetic field becase at the surface, point will be in equatorial plane at zero distance from wire and if we assume wire to be negligibbly thin then field at the surface will be infinite for any finite value of current

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  5. navneetkumar51 said – Wed, 07 Oct 2009 22:16:20 -0000 ( Link )

    it totally depends on the shape of the wire how is it?????/ either a circular, a straight wire or in a rectangular shape?????? so plz specify the shape ???????

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