Question

1) What is a bar magnet ?
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Answer 1

I am funcrokros,

A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, steel, nickel, cobalt, etc. and attracts or repels other magnets.

Answer 2

Answer:

A bar magnet is a rectangular piece of an object, made up of iron, steel or any other ferromagnetic substance or ferromagnetic composite, that shows permanent magnetic properties.

Function of bar magnet :- The main function of bar magnet is to pick up small metallic objects like metal shavings or nails and screw, as magnetic starring rods in laboratory applications, and as magnets on refrigerators. Their most common application is the needle used in compasses.