Prove that the magnetic field due to a finite current element
along Z axis at a point P, ‘r’ distance away along y- axis is given
by H = (I/4πr) (cos α2 –cos α1).aφ where I is the current through
the conductor and α1, α2 angle made by current source w.r.t
point P , using Biot- Savart’s law. Observe H if current carrying
conductor is semi-infinite and infinite.
[10M]
6(a) Explain briefly about Faraday’s law for time varying fields and
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