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ksaimouli

  • 3 years ago

how to measure how much watts is needed to power up something which is 220v

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  1. suivpasyonw
    • 3 years ago
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    any information about the current?

  2. Shane_B
    • 3 years ago
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    I'm sure there's more info to the question but maybe this will help you: http://www.sengpielaudio.com/FormulaWheel-ElectricalEngineering.htm

  3. Diwakar
    • 3 years ago
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    you have to be given resistance . P=V^2/R Put the values of V and R to find how much power it will consume.

  4. suivpasyonw
    • 3 years ago
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    You definetely need more info -:)

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