1.

If a current flows along a horizontal conductor in west to east direction, show the direction of magnetic field directly north of it?

Answer»

Explanation:

The current is in the east-west direction. Applying the right-hand thumb RULE, we get that the direction of MAGNETIC field at a point below the WIRE is from north to south. The direction of magnetic field at a point DIRECTLY above the wire is from south to north.



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