Which statements about magnetic field lines is not correct
Which one of the following statements about magnetic field lines is not correct?
- They can emanate from a point
- They do not cross each other
- Field lines between two poles cannot be precisely straight lines at the ends
- There are no filed lines within a bar magnet
Answer
The lines of magnetic field from a bar magnet form closed lines. The magnetic field is strongest inside the magnetic material.
The correct option is D.