Physics · Magnetism
A current through a horizontal power line flows in the east to west direction. What will be the direction of the magnetic field at a point directly below it when viewed from the east end?
- 1Anti-clockwise in a plane parallel to the wire
- 2Clockwise in a plane parallel to the wire
- 3Anti-clockwise in a plane perpendicular to the wire✓
- 4Clockwise in a plane perpendicular to the wire
Correct answer
Anti-clockwise in a plane perpendicular to the wire
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