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Voltage, otherwise known as electrical potential difference (denoted ∆V and measured in volts) is the difference in electric potential between two points (adapted from Wikipedia). Voltage can be constant (DC) or varying (AC).

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voltage at the output. Something like this may help, though the one I linked is pretty expensive, and I am sure you could search for a buck converter that suits your needs and might cost less. …
answered Jun 8 '15 by Hari Ganti
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the transformers would give you your input back! You would step the voltage up, then lower it to its initial state. If you want to get 250V, you can do so with a 1:10 transformer. It would step up … your voltage to the required 250V. If you want 20A, you can do so with a 4:1 transformer, which would step down your voltage to 6.25V, but with 20A sourcing capabilities. If you want both 250V and 20A …
answered Jun 8 '15 by Hari Ganti
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I've looked into this before, and it seems that voltage outputs from audio devices can vary wildly, and no real standard exists for consumer devices. I've also read about Automatic Gain Control (AGC … ), and you might look into that, since it appears to amplify a signal to a set maximum gain, so you know the output voltage maximum. See this datasheet for an example of one such chip. …
answered Jul 19 '14 by Hari Ganti
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Theoretically, you have an appropriate schematic. I'd place the voltmeter across the terminals for the solar panel itself, since resistance in the wires can contribute to power loss, with large enough …
answered Dec 2 '13 by Hari Ganti