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  2. List of electronic color code mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_electronic_color...

    Silver. ±10%. None. ±20%. The first letter of the color code is matched by order of increasing magnitude. The electronic color codes, in order, are: 0 = B lack. 1 = B rown. 2 = R ed.

  3. Electronic color code - Wikipedia

    en.wikipedia.org/wiki/Electronic_color_code

    A 2.26 kΩ, 1%-precision resistor with 5 color bands (), from top, 2-2-6-1-1; the last two brown bands indicate the multiplier (×10) and the tolerance (1%).. An electronic color code or electronic colour code (see spelling differences) is used to indicate the values or ratings of electronic components, usually for resistors, but also for capacitors, inductors, diodes and others.

  4. List of reagent testing color charts - Wikipedia

    en.wikipedia.org/wiki/List_of_reagent_testing...

    List of reagent testing color charts. It is advised to check the references for photos of reaction results. [1] Reagent testers might show the colour of the desired substance while not showing a different colour for a more dangerous additive. [2] For this reason it is essential to use multiple different tests to show all adulterants.

  5. HD 101: What is ATSC, PSIP, QAM, and 8-VSB? - Engadget

    www.engadget.com/2009-05-08-hd-101-what-is-atsc...

    The other highlights of ATSC that are useful to understand is that it uses 8VSB modulation -- this fact and $3 will get you a cup of coffee -- and that each 6MHz channel has a dedicated 19.39 Mbps ...

  6. Skipping-rope rhyme - Wikipedia

    en.wikipedia.org/wiki/Skipping-rope_rhyme

    A skipping rhyme (occasionally skipping-rope rhyme or jump-rope rhyme ), is a rhyme chanted by children while skipping. Such rhymes have been recorded in all cultures where skipping is played. Examples of English-language rhymes have been found going back to at least the 17th century. Like most folklore, skipping rhymes tend to be found in many ...

  7. 25-pair color code - Wikipedia

    en.wikipedia.org/wiki/25-pair_color_code

    Major and minor colors are chosen from two different groups of five, resulting in 25 color combinations. The color combinations are applied to the insulation that covers each conductor. Typically, one color is a prominent background color of the insulation, and the other is a tracer, consisting of stripes, rings, or dots, applied over the ...

  8. Vinegar - Wikipedia

    en.wikipedia.org/wiki/Vinegar

    Vinegar. A variety of flavored vinegars, for culinary use, on sale in France. Vinegar (from Old French vyn egre 'sour wine ') is an aqueous solution of acetic acid and trace compounds that may include flavorings. Vinegar typically contains from 5% to 18% acetic acid by volume. [ 1] Usually, the acetic acid is produced by a double fermentation ...

  9. Iron(II) sulfate - Wikipedia

    en.wikipedia.org/wiki/Iron(II)_sulfate

    Iron (II) sulfate ( British English: iron (II) sulphate) or ferrous sulfate denotes a range of salts with the formula Fe SO 4 · x H 2 O. These compounds exist most commonly as the heptahydrate ( x = 7) but several values for x are known. The hydrated form is used medically to treat or prevent iron deficiency, and also for industrial applications.