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  2. Cross-battery assessment - Wikipedia

    en.wikipedia.org/wiki/Cross-battery_assessment

    Cross-battery assessment (XBA) is the process by which psychologists use information from a number of test batteries (IQ tests) to help guide diagnostic decisions and to gain a fuller picture of an individual's cognitive abilities than can be ascertained through single-battery assessments. XBA was first introduced in the late 1990s [1] by Dawn ...

  3. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    List of battery sizes. 3LR12 (4.5-volt), D, C, AA, AAA, AAAA (1.5-volt), A23 (12-volt), PP3 (9-volt), CR2032 (3-volt), and LR44 (1.5-volt) batteries (Matchstick for reference) This is a list of the sizes, shapes, and general characteristics of some common primary and secondary battery types in household, automotive and light industrial use.

  4. Battery nomenclature - Wikipedia

    en.wikipedia.org/wiki/Battery_nomenclature

    A zinc-carbon lantern battery, consisting of 4 round "size 25" cells in series. Terminated with spring terminals. 4LR25-2: 4: L: R: 25: 2: An alkaline lantern battery, consisting of 2 parallel strings of 4 round "size 25" cells in series 6F22: 6: F: 22: A zinc-carbon rectangular battery, consisting of 6 flat "size 22" cells. Equivalent to a PP3 ...

  5. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    A reference designator unambiguously identifies the location of a component within an electrical schematic or on a printed circuit board. The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15. The number is sometimes followed by a letter, indicating that components are grouped or matched with ...

  6. Mercury battery - Wikipedia

    en.wikipedia.org/wiki/Mercury_battery

    Mercury battery "РЦ-53М" (RTs-53M), Russian manufactured in 1989. A mercury battery (also called mercuric oxide battery, mercury cell, button cell, or Ruben-Mallory[1]) is a non-rechargeable electrochemical battery, a primary cell. Mercury batteries use a reaction between mercuric oxide and zinc electrodes in an alkaline electrolyte.

  7. Voltage reference - Wikipedia

    en.wikipedia.org/wiki/Voltage_reference

    Voltage reference. A voltage reference is an electronic device that ideally produces a fixed (constant) voltage irrespective of the loading on the device, power supply variations, temperature changes, and the passage of time. Voltage references are used in power supplies, analog-to-digital converters, digital-to-analog converters, and other ...

  8. Lead–acid battery - Wikipedia

    en.wikipedia.org/wiki/Lead–acid_battery

    Min. −35°C, max. 45°C. The lead–acid battery is a type of rechargeable battery first invented in 1859 by French physicist Gaston Planté. It is the first type of rechargeable battery ever created. Compared to modern rechargeable batteries, lead–acid batteries have relatively low energy density. Despite this, they are able to supply high ...

  9. Weston cell - Wikipedia

    en.wikipedia.org/wiki/Weston_cell

    The original design was a saturated cadmium cell producing a 1.018 638 V reference and had the advantage of having a lower temperature coefficient than the previously used Clark cell. [1] One of the great advantages of the Weston normal cell is its small change of electromotive force with change of temperature.

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