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  • What exactly is voltage? - Electrical Engineering Stack Exchange
    The total voltage you get from one out and back, even with a high temperature difference is pretty small By putting many of these out and back combinations together, you can get a useful voltage A single out and back is called a thermocouple, and can be used to sense temperature Many together is a thermocouple generator Yes, those actually
  • dc dc converter - How do I convert, lower, or raise voltage . . .
    I have a project that needs a different voltage (or multiple voltages) than what I have available Sometimes I need DC instead of AC, or I need a lower or higher voltage How do I convert from one to
  • Voltage Drop Calculation (AC) - Electrical Engineering Stack Exchange
    How the voltage drop formulas derived; Simply voltage drop of cable is the voltage occured due to the resistance (R) and inductance (X) characteristic of the cable itself which depend on load (amp) and total cable length (meter) Taken both R and X as impedance (Z)
  • What, exactly, is voltage? - Electrical Engineering Stack Exchange
    And also if voltage is like gravitational potential energy, how does more voltage mean more current? And here our nice analogy breaks down In this sense voltage is more like pressure in a water pipe
  • What is the maximum static voltage of LiFePo4 batteries?
    The voltage decreases because the chemistry is still absorbing the electricity energy from the charge The voltage of the terminals at the end of the charge cycle may be higher than the voltage of the interior of the cell
  • voltage - Ground vs. Earth vs. common vs. negative terminal . . .
    Voltage has exactly the same problem: one terminal can only "have a voltage" when compared to another terminal Voltage acts like distance: voltage and distance are double-ended measurements Or in other words, one terminal in a circuit always has many different voltages at the same time, depending on where we place the other meter lead
  • power supply - What would happen if I connect two different DC voltage . . .
    These factors allow you to connect identical voltage rails together to provide load current beyond what a single supply can do, and allow for the rail to stay up (if the load can be delivered by N-1 units) if a single unit goes down It also gives you some measure of protection if you accidentally connect a higher voltage to a lower voltage
  • basic - How to get negative voltage? - Electrical Engineering Stack . . .
    I'm a newbit, and some components, like op amps, require both a positive, and negative voltage But how do you get negative voltage? I'm about to buy what I think are my last "essential" components, an assortment of voltage regulators, and an assortment of logic gates Aside from a collection of those, I have most breadboard components





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