Vocab Bloom Hub

electromagnet

/ɪˌlek.trəʊˈmæɡ.nɪt/

翻译: 一种由绕在铁芯上的线圈构成的临时磁体;只有当电流通过线圈时,铁芯才被磁化。

1 个条目

noun

/ɪˌlek.trəʊˈmæɡ.nɪt/C1formalscientific
  • zh一种由绕在铁芯上的线圈构成的临时磁体;只有当电流通过线圈时,铁芯才被磁化。

A temporary magnet created by winding a coil of wire around an iron core; the iron core becomes magnetized only when an electric current flows through the coil.

  1. Temporary magnetB2formalscientific

    A device consisting of a coil of wire wrapped around a ferromagnetic core, which becomes magnetized when an electric current passes through the coil and loses its magnetism when the current stops.

    zh电磁铁

    • Electromagnets are used in cranes to lift heavy metal objects.
    • The doorbell uses an electromagnet to ring the bell.
    • In a junkyard, an electromagnet can pick up and drop scrap metal.
    • The strength of an electromagnet can be adjusted by changing the current.
词形
  • electromagnets plural form
  • electromagnets' possessive plural form
  • electromagnet's possessive singular form