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  2. Zigzag transformer - Wikipedia

    en.wikipedia.org/wiki/Zigzag_transformer

    A zigzag transformer winding is a special-purpose transformer winding with a zigzag or "interconnected star" connection, such that each output is the vector sum of two (2) phases offset by 120°. [1]

  3. Transformer - Wikipedia

    en.wikipedia.org/wiki/Transformer

    In electrical engineering, a transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits.A varying current in any coil of the transformer produces a varying magnetic flux in the transformer's core, which induces a varying electromotive force (EMF) across any other coils wound around the same core.

  4. Trigger transformer - Wikipedia

    en.wikipedia.org/wiki/Trigger_transformer

    This electronics-related article is a stub. You can help Wikipedia by expanding it.

  5. Plasma (physics) - Wikipedia

    en.wikipedia.org/wiki/Plasma_(physics)

    Plasma (from Ancient Greek πλάσμα (plásma) 'moldable substance' [1]) is one of four fundamental states of matter (the other three being solid, liquid, and gas) characterized by the presence of a significant portion of charged particles in any combination of ions or electrons.

  6. Affirmative action - Wikipedia

    en.wikipedia.org/wiki/Affirmative_action

    Arophobia; Anti-albinism; Acephobia; Adultism; Anti-altruistic; Anti-autism; Anti-homelessness; Anti-drug addicts; Anti-intellectualism; Anti-intersex; Anti-left ...

  7. History of Japan - Wikipedia

    en.wikipedia.org/wiki/History_of_Japan

    The first human inhabitants of the Japanese archipelago have been traced to the Paleolithic, around 38–39,000 years ago. [1] The Jōmon period, named after its cord-marked pottery, was followed by the Yayoi period in the first millennium BC when new inventions were introduced from Asia.