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  2. List of electrical and electronic measuring equipment

    en.wikipedia.org/wiki/List_of_electrical_and...

    Measures current without physical connection Curve tracer: Applies swept signals to a device and allows display of the response Cos Phi Meter: Measures the power factor Distortionmeter: Measures the distortion added to a circuit Electricity meter: Measures the amount of energy dissipated ESR meter: Measures the equivalent series resistance of ...

  3. Units of energy - Wikipedia

    en.wikipedia.org/wiki/Units_of_energy

    The British imperial units and U.S. customary units for both energy and work include the foot-pound force (1.3558 J), the British thermal unit (BTU) which has various values in the region of 1055 J, the horsepower-hour (2.6845 MJ), and the gasoline gallon equivalent (about 120 MJ). Log-base-10 of the ratios between various measures of energy

  4. List of measuring instruments - Wikipedia

    en.wikipedia.org/wiki/List_of_measuring_instruments

    Calorimeters are called passive if gauged to measure emerging energy carried by entropy, for example from chemical reactions. Calorimeters are called active or heated if they heat the sample, or reformulated: if they are gauged to fill the sample with a defined amount of entropy. Actinometer heating power of radiation.

  5. Quad (unit) - Wikipedia

    en.wikipedia.org/wiki/Quad_(unit)

    A quad is a unit of energy equal to 10 15 (a short-scale quadrillion) BTU, [1] or 1.055 × 10 18 joule (1.055 exajoules or EJ) in SI units. The unit is used by the U.S. Department of Energy in discussing world and national energy budgets. The global primary energy production in 2022 was 637.8 quad, i.e., 672.9 EJ. [2]

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  7. Games World of Puzzles - Wikipedia

    en.wikipedia.org/wiki/Games_World_of_Puzzles

    The last puzzle in "Pencilwise" has generally been "The World's Most Ornery Crossword," a large standard crossword puzzle which has two sets of clues spanning three pages. One set, which is revealed by folding one page in half to hide the second page, consists of "Hard" clues (three stars), while the clues under this fold are "Easy" (one star ...

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  9. List of obsolete units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_obsolete_units_of...

    A U.K. deal equaled 7 ft × 6 ft × 2 + 1 ⁄ 2 in, while a U.S. deal equaled 12 ft × 11 in × 1 + 1 ⁄ 2 in. [7] Demiard – an old French unit of volume. When France metricated, it survived in Louisiana and Quebec. The demiard eventually became associated with the American and British half-pint rather than French units. [7] Firlot; Hekat ...