Physics · Magnetic Effects of Electric Current
An electric current through a horizontal straight wire flows from west to east. The direction of the magnetic field lines, as viewed from the east end, will be:
- 1clockwise in the plane of the wire
- 2anticlockwise in the plane of the wire
- 3clockwise in a plane perpendicular to the wire
- 4anticlockwise in a plane perpendicular to the wire✓
Correct answer
anticlockwise in a plane perpendicular to the wire
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