How are electromagnets made?

Answer While very large electromagnets have been built for a variety of technical applications, it is possible to build your own on a much smaller scale with just a coil of wire and a power source.Electro... Read More »

Top Q&A For: How are electromagnets made

Kinds of Electromagnets?

Basically two types of magnets exist: permanent magnets and electromagnets. Permanent magnets do not use any external force to produce a magnetic field, while electromagnets use electrical energy t... Read More »

How are electromagnets created?

An electromagnetic field is created every time electricity passes through a wire. By coiling the wire, the strength of the magnetic field can be increased to the point where the coil begins to func... Read More »

Do ovens use electromagnets?

Newer freezers compliant to efficiency standards use R-404a. However an older unit may only be able to us R-22 (which will be completely phased out by 2020).

How do electromagnets work?

Electromagnets are devices that become magnetic when electric current is applied to them. Electromagnets are used in many different devices or machinery, including electric engines, magnetic hoists... Read More »