Which of the following is false about magnetic field lines?

• A. The tangent to the field line at a given point represents the direction of the net magnetic field 'B' at that point
• B. Magnetic field lines start at the North pole and end at the South pole.
• C. The larger the number of field lines crossing per unit area, the stronger is the magnitude of the magnetic field 'B'.
• D. The magnetic field lines do not intersect.