A) from JV-pole to S-pole of the magnet
B) from S-pole to N-pole of the magnet
C) depends upon the area of cross-section of the bar magnet
D) None of the above
Correct Answer: B
Solution :
Outside a magnet the direction of magnetic lines of force is from N-pole to S-pole, where as inside a magnet their direction is from S-pole to N-pole.
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