Plz explain with diagram
Q. A current flowing through a horizontal power line flows in East to West direction what is the direction of magnetic field directly above it.
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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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arpitjaiswal667:
How the direction of magnetic field at a point below the wire is from north to south.
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