MAGNETIC APPARATUS: Variety

MAGNETIC APPARATUS: Variety

•  A wide range of different Magnetic Apparatus for use in the science laboratory including: Floating rings  |  Field demonstration apparatus  |  Kit  |  Probe  |  Retriever  |  Stirrer Bars  |  Variation Gap Apparatus.

(Wikipedia excerpt: ..."...A magnet [M] is a material or object that produces a [M] field. This [M] field is invisible but is responsible for the most notable property of a [M] : a force that pulls on other ferro[M] materials, such as iron, steel, nickel, cobalt, etc. and attracts or repels other [M] . A permanent [M] is an object made from a material that is magnetized and creates its own persistent [M] field. An everyday example is a refrigerator [M] used to hold notes on a refrigerator door.

Materials that can be magnetized, which are also the ones that are strongly attracted to a [M] , are called ferro[M] (or ferri[M]). These include the elements iron, nickel and cobalt and their alloys, some alloys of rare-earth metals, and some naturally occurring minerals such as lodestone. Although ferromagnetic (and ferrimagnetic) materials are the only ones attracted to a [M] strongly enough to be commonly considered [M], all other substances respond weakly to a [M]field, ....")

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