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  2. Eskom - Wikipedia

    en.wikipedia.org/wiki/Eskom

    Between March and July 2020 the power supply was stable due to reduced demand during the COVID-19 lockdown, [33] but on 12 July a new round of level 2 load shedding began due to the breakdown of generating units. [34] During the winter of 2023, the country experienced Stage 6 blackouts, shaving a projected 2% off the country's GDP. [35]

  3. Common emitter - Wikipedia

    en.wikipedia.org/wiki/Common_emitter

    A typical example of the use of a common-emitter amplifier is shown in Figure 3. Figure 3: Single-ended npn common-emitter amplifier with emitter degeneration. The AC-coupled circuit acts as a level-shifter amplifier. Here, the base–emitter voltage drop is assumed to be 0.65 volts.

  4. Bipolar transistor biasing - Wikipedia

    en.wikipedia.org/wiki/Bipolar_transistor_biasing

    Emitter bias. When a split supply (dual power supply) is available, this biasing circuit is the most effective. It provides zero bias voltage at the emitter or collector for load. [clarification needed] The negative supply V ee is used to forward-bias the emitter junction through R e. The positive supply V cc is used to reverse-bias the ...

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    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

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  7. PRC committee begins process to replace outgoing utilities ...

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  8. Open collector - Wikipedia

    en.wikipedia.org/wiki/Open_collector

    For an NPN open emitter output, the collector is connected to the positive voltage rail, so the emitter outputs a high voltage when the transistor is on and is hi-Z when off. For a PNP open emitter output, the collector is connected to the low voltage supply, so the emitter outputs a low voltage when the transistor is on and is hi-Z when off.

  9. Iowa water utilities notifying thousands of homeowners they ...

    www.aol.com/iowa-water-utilities-notifying...

    Statewide, utilities could see a roughly $835 million gap between the cost of replacing the state's estimated 100,000 lead lines and the federal funding available for the work, an advocacy group says.