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A horizontal power line carries a curren...

A horizontal power line carries a current from east to west direction. What is the direction of the magnetic field due to the current in the power line at a point above and at a point below the power line ?

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According to right-hand thumb rule,
i] The direction of magnetic field at a point above the power line is form South to North.
ii] The direction of magnetic field at a point below the power line is from North to South.
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ZEN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT -Additional question section (Short answer [SA] type 1 questions)
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