A current through a horizontal power line flows in the east to west direction. The direction of the magnetic field at a point directly below it is from ____.

Answer: South to north

Explanation:

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.

Leave a Comment

Your email address will not be published. Required fields are marked *

BOOK

Free Class