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Similarities and differences between Biot-savart law and coulombs law?

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September 23, 2013 12:38PM

similarities:

1. field at any point vary inversely at the square of the distance.

2. both obey superposition principle

3. the magnetic fields linear in the source just as electric field.

dissimilarities:

1. E is produced by a scalar source (q) where as B is produce by vector source (Idl)

2. E is acting along the displacement vector where as B acts perpendicular to Ixr.

3. E is not depended of θ where as B depends upon θ.