NDA2020General AbilityGeneral ScienceActual
Which one of the following statements regarding magnetic field is NOT correct?
Options
- AMagnetic field is a quantity that has direction and magnitude
- BMagnetic field lines are closed curves
- CMagnetic field lines are open curves
- DNo two magnetic field lines are found to cross each other
Correct answer
C. Magnetic field lines are open curves
Step-by-step solution
Magnetic field has both direction and magnitude, the magnetic field lines are closed curves and no two magnetic field lines are found to cross each other.