Question

current thought a horizontal power line flows east to west Direction What is the direction of magnetic field at a point directly below it​

Answer 1

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.

Answer 2

♣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.

♣ Thedirection of magnetic field at a pointdirectly above the wire is from south to north