Q: Which one of the following statements regarding magnetic field is NOT correct ?
(a)Magnetic field is a quantity that has direction and magnitude
(b)Magnetic field lines are closed curves
(c)Magnetic field lines are open curves
(d)No two magnetic field lines are found to cross each other
Correct Answer: (b)
The correct answer is (c): Magnetic field lines are open curves. Subject: General Science | Sub-topic: Physics - Electricity Note: This answer was determined through AI-based research. Verify against the official answer key when available.