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单词 solenoid
释义

solenoid


solenoid

so·le·noid

S0547000 (sō′lə-noid′)n.1. A current-carrying coil of wire that acts like a magnet when a current passes through it.2. An assembly used as a switch, consisting of a coil and a metal core free to slide along the coil axis under the influence of the magnetic field.
[French solénoïde, from Greek sōlēnoeidēs, pipe-shaped : sōlēn, pipe + -oeidēs, -oid.]
so′le·noi′dal (-noid′l) adj.so′le·noi′dal·ly adv.

solenoid

(ˈsəʊlɪˌnɔɪd) n1. (Electronics) a coil of wire, usually cylindrical, in which a magnetic field is set up by passing a current through it2. (Electronics) a coil of wire, partially surrounding an iron core, that is made to move inside the coil by the magnetic field set up by a current: used to convert electrical to mechanical energy, as in the operation of a switch3. (Automotive Engineering) such a device used as a relay, as in a motor vehicle for connecting the battery directly to the starter motor when activated by the ignition switch[C19: from French solénoïde, from Greek sōlēn a pipe, tube] ˌsoleˈnoidal adj ˌsoleˈnoidally adv

so•le•noid

(ˈsoʊ ləˌnɔɪd, ˈsɒl ə-)

n. a coil of wire that, when carrying current, magnetically attracts a sliding iron core. [1825–35; < French solénoïde < Greek sōlḗn pipe, channel] so`le•noi′dal, adj.
solenoid

so·le·noid

(sō′lə-noid′) A coil of wire that acts as a magnet when an electric current passes through it.

solenoid

A wire coil partly surrounding an iron core. When current flows through the wire it produces an electromagnetic effect.
Thesaurus
Noun1.solenoid - a coil of wire around an iron coresolenoid - a coil of wire around an iron core; becomes a magnet when current passes through the coilcoil - reactor consisting of a spiral of insulated wire that introduces inductance into a circuitmagnet - (physics) a device that attracts iron and produces a magnetic field
Translations
solenoidesolénoïdesolenoidebobina

solenoid


solenoid

(sō`lənoid'), device made of a long wire that has been wound many times into a tightly packed coil; it has the shape of a long cylinder. If current is sent through a solenoid made of insulated wire and having a length much greater than its diameter, a uniform magnetic field will be created inside the solenoid. This field can be intensified by inserting a ferromagnetic core into the solenoid. See electromagnetelectromagnet,
device in which magnetism is produced by an electric current. Any electric current produces a magnetic field, but the field near an ordinary straight conductor is rarely strong enough to be of practical use.
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; magnetismmagnetism,
force of attraction or repulsion between various substances, especially those made of iron and certain other metals; ultimately it is due to the motion of electric charges.
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.

Solenoid

 

an electrically energized coil that is usually in the form of an insulated wire wound on a cylindrical surface. If the length of the coil is substantially longer than the diameter, the magnetic field in the middle of the coil is uniform and is directed parallel to the axis of the coil. The field strength in this central part is proportional to the current and (approximately) to the number of turns. The external magnetic field of a solenoid is similar to the field of a bar magnet (see Figure 1, p. 256). When the coil has an iron core, the solenoid constitutes an electromagnet.

Figure 1. Lines of force of the magnetic field of a solenoid

solenoid

[′säl·ə‚nȯid] (electromagnetism) Also known as electric solenoid. An electrically energized coil of insulated wire which produces a magnetic field within the coil. In particular, a coil that surrounds a movable iron core which is pulled to a central position with respect to the coil when the coil is energized by sending current through it. (meteorology) meteorological solenoid

solenoid

1. a coil of wire, usually cylindrical, in which a magnetic field is set up by passing a current through it 2. a coil of wire, partially surrounding an iron core, that is made to move inside the coil by the magnetic field set up by a current: used to convert electrical to mechanical energy, as in the operation of a switch 3. such a device used as a relay, as in a motor vehicle for connecting the battery directly to the starter motor when activated by the ignition switch

solenoid

A mechanical switch that is activated by a magnetic coil. It is used to open and close an electric circuit, open or close a valve in a fluid pipe or cause some mechanical action to be triggered.

solenoid


sol·e·noid

(sol'ĕ-noyd), A helical coil of wire energized electrically to produce a magnetic field, which induces a current in any conductor placed within or near the coil.

solenoid

S11-870200 (sōl′lĕ-noyd) A coil of insulated wire in which a magnetic force is created in the long axis of the coil when an electric current flows through the wire. It may be used to activate switches.
See SOL
See SOL

solenoid


Related to solenoid: Solenoid valve
  • noun

Words related to solenoid

noun a coil of wire around an iron core

Related Words

  • coil
  • magnet
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更新时间:2024/9/22 22:31:10