A compass needle is a small magnet that responds to the magnet force exerted on it by a nearby magnetic field
<h3>What is
magnet?</h3>
A magnet is a substance or object that generates a magnetic field. This magnetic field is invisible, but it is responsible for a magnet's most notable property: a force that attracts or repels other ferromagnetic materials such as iron, steel, nickel, cobalt, and so on.
Each magnetic field contains energy, which is also known as magnetic energy. In physics, she is a constant. Because a magnetic field is created by moving charge carriers, magnetic energy is a type of energy (electrons).
Magnets are classified into three types: permanent magnets, temporary magnets, and electromagnets. Permanent magnets produce a magnetic field without requiring any external magnetism or electrical power.
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