Shape doesn't matter, you can have permanent magnets of any shape. But there is always a North pole (not poll) and a South pole. The location of the poles has nothing to do with the shape, you can, for example, make a long rod shaped magnet with the poles NOT at the ends.
Shape doesn't matter, you can have permanent magnets of any shape. But there is always a North pole (not poll) and a South pole. The location of the poles has nothing to do with the shape, you can, for example, make a long rod shaped magnet with the poles NOT at the ends.