Magnets attract when two opposing poles are brought together and repel when they have similar poles. Magnets come with a north pole and south pole. If one end of a magnet is the north pole and the end of the other magnet is the south pole, both pieces will attract; magnets will repel if two north poles or south poles are brought together.Continue Reading
Magnets refer to any object that exhibits a magnetic field. There are three major groups of magnets: permanent magnets, temporary magnets and electromagnet.
Electromagnets are temporary magnets which have a magnetic field only when current passes through them. Some everyday applications of electromagnets include generators, motors, microphones, loudspeakers and cranes. Electromagnets are also used in scientific equipment such as particle accelerators, mass spectrometers and NMR (Nuclear Magnetic Resonance) spectrometers.Full Answer >
Many magnets by CMS Magnetics are given four or more stars out of five on Amazon.com. CMS Magnetics offers a variety of sizes, strengths and shapes of magnets, including blocks, discs, cylinders, cubes and speciality magnets.Full Answer >
Permanent magnets with diminished field strength can be recharged in at least three ways: by striking, stroking or stacking. Each of these methods entails lining up the weakened magnet with a stronger external field and using it to realign its particles.Full Answer >
Based on magnetic properties, there are three major types of magnets: permanent, temporary and electromagnets. Permanent magnets retain their magnetism once magnetized while temporary magnets only exhibit magnetic properties whenever they come within range of a magnetic field, and only for a short period. Electromagnets are magnets that only display magnetic properties when current passes through their core.Full Answer >