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  2. Mains electricity by country - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity_by_country

    Frequency and voltage supplied to most premises by country. Mains electricity by country includes a list of countries and territories, with the plugs, voltages and frequencies they commonly use for providing electrical power to low voltage appliances, equipment, and lighting typically found in homes and offices.

  3. Widex - Wikipedia

    en.wikipedia.org/wiki/Widex

    Widex also launched its newest product, Widex Evoke, which is the first hearing aid to incorporate machine learning technology. [5] Since March 1, 2019 Widex has been part of WS Audiology, a company formed that day through the combination of Singapore-headquartered former Siemens owned (until 2015) Sivantos with Lynge/Denmark-based Widex. [6]

  4. Mains electricity - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity

    AC circuits adopted the same form during the war of the currents, allowing lamps to be run at around 110 V and major appliances to be connected to 220 V. Nominal voltages gradually crept upward to 112 V and 115 V, or even 117 V. [citation needed] After World War II the standard voltage in the U.S. became 117 V, but many areas lagged behind even ...

  5. Widex Moment vs Phonak Paradise - AOL

    www.aol.com/news/head-to-head-with-two-of-the...

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  6. Utility frequency - Wikipedia

    en.wikipedia.org/wiki/Utility_frequency

    The waveform of 230 V and 50 Hz compared with 120 V and 60 Hz. The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the nominal frequency of the oscillations of alternating current (AC) in a wide area synchronous grid transmitted from a power station to the end-user.

  7. Voltage reference - Wikipedia

    en.wikipedia.org/wiki/Voltage_reference

    The most common voltage reference circuit used in integrated circuits is the bandgap voltage reference. A bandgap-based reference (commonly just called a 'bandgap') uses analog circuits to add a multiple of the voltage difference between two bipolar junctions biased at different current densities to the voltage developed across a diode. The ...

  8. 220 Volt - Wikipedia

    en.wikipedia.org/wiki/220_Volt

    220 Volt is a common mains electricity voltage. It may also refer to: 220 Volt Live, a 1993 album by Tangerine Dream; 220 Volt (band), a Swedish heavy metal band active in the 1980s and 2000s; 220 Volts , a 2011 Brazilian comedy show on Multishow hosted by Paulo Gustavo

  9. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    Still popular for school science class use as a variable voltage supply as the current version has several taps at 1.5 volt intervals. 791: Eveready 791 Eveready 791-A: 2R14: 3 V: D: 23.81 H: 98.43 Equivalent to two C batteries (BA-42) in series. Used in the M1 Bazooka. 15-volt: Fuji W10 Mallory M154 NEDA 220 Rayovac 220 10F15 (Zn/MnO 2) 220: ...