Physics · Magnetic Effects of Electric Current
Considering magnetic field lines, which of the following statements is NOT true?
- 1Magnetic field lines are closed curves.
- 2The relative strength of the magnetic field is shown by the degree of closeness of the field lines.
- 3If magnetic field lines are parallel and equidistant, they represent zero field strength.✓
- 4The 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.
Correct answer
If magnetic field lines are parallel and equidistant, they represent zero field strength.
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