The power of attraction of a _____ magnet is twice as compared to similar bar magnet.

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Solution

A bar magnet is a rectangular piece of an object, made up of iron, steel or any other ferromagnetic substance.
U-shaped magnet is also known as horse-shoe magnet and is made artificially.
It used for producing electricity in electric bell or other equipment.
Horse-shoe magnets show a strong magnetic field as compared to bar magnet.
The magnetic lines of force around a horse-shoe magnet is stronger than the bar magnet.
So, The power of attraction of a horse-shoe magnet is twice as compared to similar bar magnet.

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