A. a magnetic line of force is an imaginary line which the north pole of a magnet would describe if it is free to moves
B. magnetic lines of force do not cross one another
C. magnetic lines of force are closely packed together at neutral point
D. the presence of magnetic lines of force in a region indicates the presence of a magnetic field

Correct Answer: Option C

C. magnetic lines of force are closely packed together at neutral point

SEE ALSO  A force acting on a body causes a change in the momentum of a body from 12 kg ms‾¹ to 16kg ms‾¹ in 0.25. Calculate the magnitude of the impulse.

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