What is a magnet??
Asked by | 5th Oct, 2009, 11:06: PM
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 like iron and attracts or repels other magnets.
A feature of magnets is the ends acting differently from each other. While one end attracts, the other end repels. Thus magnet ends are called “poles”, and in particular, a magnet itself is referred to as a “dipole”.
An interesting aspect of magnets is when suspended by a string, they always align themselves in a North-South direction. For this reason, magnet poles are correspondingly labelled North and South. Lines of force emanate from the North pole and return to the South pole
Answered by | 6th Oct, 2009, 12:26: AM
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