Physics · Magnetic Effects of Electric Current

Choose the incorrect statement from the following regarding magnetic field lines:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1The direction of the magnetic field at a point is taken to be the direction in which the north pole of a magnetic compass needle points.
2Magnetic field lines are closed curves.
3If magnetic field lines are parallel and equidistant, they represent zero field strength.✓
4The relative strength of the magnetic field is shown by the degree of closeness of the field lines.

Correct answer

If magnetic field lines are parallel and equidistant, they represent zero field strength.

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