Q.

The magnetic lines of force inside a bar magnet

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a

do not exist

b

depends on area of cross section of the bar magnet

c

are from N-pole to S-pole of the magnet

d

are from S-pole to N-pole of the magnet

answer is D.

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Detailed Solution

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Magnetic lines of force are continuous loops. Outside the magnetic field lines go from N-pole to S-pole, Inside the magnet the field lines are from S-pole to N-pole of the magnet.

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