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  2. Voltage converter - Wikipedia

    en.wikipedia.org/wiki/Voltage_converter

    Most single phase alternating-current electrical outlets in the world supply power at 210–240 V or at 100–120 V. A transformer or autotransformer can be used; (auto)transformers are inherently reversible, so the same transformer can be used to step the voltage up, or step it down by the same ratio.

  3. Template:To USD - Wikipedia

    en.wikipedia.org/wiki/Template:To_USD

    Template to convert other currencies into United States dollars, by year, based on information from the International Monetary Fund Template parameters [Edit template data] Parameter Description Type Status Amount 1 value in foreign currency to convert to USD Example 22816 Number required Country code 2 country ISO 3166-1 alpha-3 country code Example MEX Line required year year Year to convert ...

  4. Buck converter - Wikipedia

    en.wikipedia.org/wiki/Buck_converter

    A buck converter or step-down converter is a DC-to-DC converter which decreases voltage, while increasing current, from its input to its output . It is a class of switched-mode power supply . Switching converters (such as buck converters) provide much greater power efficiency as DC-to-DC converters than linear regulators , which are simpler ...

  5. Buck–boost converter - Wikipedia

    en.wikipedia.org/wiki/Buck–boost_converter

    The buck–boost converter is a type of DC-to-DC converter that has an output voltage magnitude that is either greater than or less than the input voltage magnitude. It is equivalent to a flyback converter using a single inductor instead of a transformer. [1] Two different topologies are called buck–boost converter. Both of them can produce a ...

  6. United States dollar - Wikipedia

    en.wikipedia.org/wiki/United_States_dollar

    The United States dollar (symbol: $; currency code: USD; also abbreviated US$ to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official currency of the United States and several other countries.

  7. Visa requirements for Canadian citizens - Wikipedia

    en.wikipedia.org/wiki/Visa_requirements_for...

    Fees are for Transit USD 20 ,Tourist USD 30, and Business USD 50. No Togo: eVisa [320] [321] 15 days No Tonga: Free visa on arrival [322] 31 days Extendable up to 6 months; No Trinidad and Tobago: Visa not required [323] 90 days No Tunisia: Visa not required [324] 4 months No Turkey: Visa not required [325] [326] 90 days [327] 90 days within ...

  8. Magnus Carlsen - Wikipedia

    en.wikipedia.org/wiki/Magnus_Carlsen

    This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Norwegian chess grandmaster (born 1990) For people with a similar name, see Magnus Carlsson (disambiguation), Magnus Karlsson (disambiguation), and Magnus Carlson. Magnus Carlsen Carlsen in 2024 Full name Sven Magnus Øen Carlsen Country Norway Born (1990-11-30) 30 November 1990 (age 34 ...

  9. Canadian dollar - Wikipedia

    en.wikipedia.org/wiki/Canadian_dollar

    In 1935, it issued its first series of notes in denominations of $1, $2, $5, $10, $20, $25, $50, $100, $500 and $1000. The $25 note was a commemorative issue, released to mark the Silver Jubilee of King George V . [ 21 ]