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  • word of the day

    electron gun

    electron gun - 365bet中国官方网站 definition and meaning for word electron gun

    Definition
    (noun) the electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it

  • Word used in video below:
    text: charge of plus one electron unit while
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