Question

What is the effect on the strength of the magnetic field
experienced by the steel bar when the distance between the
steel bar and the magnet increases?

Answer 1

Explanation:

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When you stick a magnet to a piece of iron or steel, the steel temporarily acts like a magnet. We can say that it has a north and a south pole, just like the other magnets we sell. We call the piece of steel a “temporary magnet,” because this effect goes away when we remove the magnet.

The field gets weaker; the needles get dimmer. With the magnet at its strongest, reverse it's polarity using the on-screen “Flip Polarity” buttonin the control panel.