If the ratio between the magnetic flux densities at the point (x, y) near a straight...

 

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If the ratio between the magnetic flux densities at the point (x, y) near a straight wire В 2 carrying an electric current is BY distances of these two point from the wire is so the ratio between the perpendicular = 3 a)1:1 b)3:2 с) 2:3 d) 2:6 If the ratio between the magnetic flux densities at the point (x, y) near a straight wire В 2 carrying an electric current is BY distances of these two point from the wire is so the ratio between the perpendicular = 3 a)1:1 b)3:2 с) 2:3 d) 2:6