Magnetism and Electromagnetism
The direction of magnetic lines of force is

From one end of the magnet to another
None of the listed here
From north pole to south pole
From south pole to north pole

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Magnetism and Electromagnetism
In a simple magnetic field the strength of magnet flux

first increases and then decreases till it becomes zero
is constant and has same value in energy part of the magnetic field
decreases continuously from initial value to final value
increases continuously from initial value to final value

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