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State Biot- Savant's law and express …

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State Biot- Savant's law and express this Law in the vector form .

    • Posted by Gracy Pamai 5 years, 5 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Yogita Ingle 5 years, 5 months ago

     

    The Biot Savart's Law we know is given by:

    δB = μ0​​/4π Idlsin(θ)​/r2, where θ is the angle between the line element dl and the radial unit vector r^. 

    Now we know: r^=rr​, using this and the cross product of two vectors we get; δB = 4μ0​​/4π (Id-r)​/r2

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