SOLENOID [PSSC]

SOLENOID [PSSC]

•  Air cored solenoid length 355mm x Ø 50mm.
•  Comprises 270 turns of Ø 1.25mm wire terminated with banana sockets.
•  Maximum current – 6 amps.

(Wikipedia excerpt: .."...A solenoid [S] (/ˈsoʊlənɔɪd/[1]) is a type of electromagnet formed by a helical coil of wire whose length is substantially greater than its Ø ,[2] which generates a controlled magnetic field. The coil can produce a uniform magnetic field in a volume of space when an electric current is passed through it.

André-Marie Ampère coined the term [S] in 1823, having conceived of the device in 1820.[3] The French term originally created by Ampère is solénoïde, which is a French transliteration of the Greek word σωληνοειδὴς which means tubular.

The helical coil of a [S] does not necessarily need to revolve around a straight-line axis; for example, William Sturgeon's electromagnet of 1824 consisted of a [S] bent into a horseshoe shape (similarly to an arc spring).

[S] provide magnetic focusing of electrons in vacuums, notably in television camera tubes such as vidicons and image orthicons. Electrons take helical paths within the magnetic field. These [S] , focus coils, surround nearly the whole length of the tube...")

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