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power factor
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Cleopatra hieroglyphic carving the Ancient Egyptian queen Cleopatra. Wall of the Temple of Horus at Edfu, Egypt.
What Did Cleopatra Look Like?
Rainbow flag. Sign of diversity, inclusiveness, hope, yearning. Gay pride flag popularized by San Francisco artist Gilbert Baker in 1978. Inspired by Judy Garland singing Over the Rainbow. gay rights, homosexual, gays, LGBT community
13 LGBTQ Writers You Should Read
Salem Witch Trials. Photogravure after the painting by Walter McEwen titled - The Witches - circa 1890s.
How Rye Bread May Have Caused the Salem Witch Trials
airplane in flight (plane, aircraft, flying)
7 Puzzling Plane Disappearances
Wasp spider. Argiope bruennichi. Orb-weaver spider. Spiders. Arachnid. Cobweb. Spider web. Spider's web. Spider silk. Black and yellow striped wasp spider spinning a web.
Do We Really Swallow Spiders in Our Sleep?
Estimated battle casualties, Normandy invasion, World War II. WWII, D-Day
Estimated Battle Casualties During the Normandy Invasion and Campaign to Liberate Paris (June–August 1944)
Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.
10 Famous Artworks by Leonardo da Vinci

power factor

electronics

Learn about this topic in these articles:

alternating current circuits

  • The science behind static electricity
    In electricity: Behaviour of an AC circuit

    …equation (33) is called the power factor. It is evident that the only element that can dissipate energy is the resistance.

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