Correct option is A
Tha correct Answer is:(a) Neither (a) nor (b)
Explanation:
Magnetic field lines are always closed loops; they do not begin or end in isolation.
The magnetic field inside a bar magnet flows from the south pole to the north pole.
The external magnetic field flows from the north pole to the south pole.
Information Booster:
Statement (a):
"There is no field inside the bar magnet."
- Magnetic field lines do exist inside a bar magnet.
- Inside the magnet, the magnetic field lines are present and continue in a closed-loop pattern.
Statement (b):
"The field lines inside the bar magnet are directed from its north pole to the south pole."
- Inside the bar magnet, magnetic field lines actually move from the south pole to the north pole.
- Outside the bar magnet, the lines move from the north pole to the south pole.
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