Question

(a) A horizontal power line
carries a current from west to
east. What is the direction of
magnetic field at a point
vertically below the line​

Answer 1

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

Answer 2

Answer:

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

Explanation:

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