Magnetism and Magnetic fields

Magnetism and Magnetic fields

IN THIS EXPERIMENT YOU WILL…

Observe the magnetic fieldA region around a magnetic material or a moving electric charge within which the force of magnetism acts. lines around a bar magnet with iron filings and with small compasses as well as an effects on various items. Iron, nickel, cobalt and alloys A metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion. of these metals are known as ferromagnetic substancesFerromagnetism is the basic mechanism by which certain materials (such as iron) form permanent magnets, or are attracted to magnets., because they are strongly attracted by magnets.

 

Permanent magnets have north and south poles – these poles are dipolesA pair of equal and oppositely charged or magnetized poles separated by a distance and the one cannot exist without the other. Like poles repel each other and unlike poles attract each other. The magnetic field that surrounds the magnet in three dimensions, is the strongest at the poles of the magnet.

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