Unformatted text preview: the dipole is perpendicular to the axis of the dipole. You can check easily that if an electric dipole is used, the Feld would be E ≈ (1 / 4 πε )( p/x 3 ), which is half of the magnitude of E for a point on the y axis the same distance from the dipole. By analogy, in our case B is also half the value or B (0 , 5 . 0 m , 0), i.e., B (5 . 0 m , , 0) = 1 2 B (0 , 5 . 0 m , 0) = 1 2 (9 . 6 × 10 − 11 T) = 4 . 8 × 10 − 11 T . Just like the electric dipole case, ± B (5 . 0 m , , 0) points in the negative y direction....
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 Fall '08
 SPRUNGER
 Physics, Current

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