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  1. How to calculate VAh for online UPS? - Electrical Engineering Stack ...

    Sep 29, 2020 · Usually, VAh is calculated for the battery. VAh is a battery parameter. Here, overall battery pack voltage = 72 V (the entire battery pack, which, according to your question comprises six …

  2. Convert VAh to kWh - Electrical Engineering Stack Exchange

    Mar 29, 2017 · I'm analyzing an electricity consumption dataset and the consumption is measured by apparent energy (VAh). How do I convert this VAh to kWh as normally seen on a power bill?

  3. Can I power an ESP32 through the Vin pin?

    Sep 22, 2020 · I can't find a clear answer on this through my searches, maybe someone here can help me. Can I power my ESP32 through the Vin pin? What is the best way to do it?

  4. What exactly is voltage? - Electrical Engineering Stack Exchange

    The fluid analogy is really good. Imagine a wire as a pipe (that can't leak). Imagine a capacitor as a stretchy membrane that completely covers the pipe. A resistor is a narrowing in the pipe. An inductor …

  5. What is the difference between Ethernet and Serial communication ...

    Dec 4, 2016 · First: Printers for a very very long time used parallel communication. Next, can you provide a source claiming that the Internet is not serial? TCP itself looks serial to me. One packet is …

  6. Calculating capacitance of a cable - Electrical Engineering Stack Exchange

    Nov 14, 2020 · Ok thank your for your insights. I thought for the TDR to measure this there needs to be some sort of capacitance between the two wires. Because when I look at the characteristic …

  7. Solder mask bridge - Electrical Engineering Stack Exchange

    Jan 30, 2025 · It is not only a question about minimum width of the solder bridge. The manufacturers also have a displacement tolerance of the solder mask applied on the PCB, which often is the most …

  8. grounding - joining signal and power grounds together - Electrical ...

    May 24, 2020 · I've read some questions and answers here about making 2 separate grounds - one for signal, second one for power. Every question was about the case where the grounds meet each …

  9. Modelsim does not show sim window - Electrical Engineering Stack …

    Nov 26, 2022 · Clear all dialogue boxes from the ModelSim window so you can see the menu headings near the top, underneath the icons: File, Edit, View, Compile etc. On the View menu, click on Wave …

  10. Temperature coefficient of diode - Electrical Engineering Stack Exchange

    Jun 3, 2018 · Diode voltage changes with temperature according to the Shockley diode equation. I understand this , but what I don't understand is why diodes have a negative temperature coefficient …