Electrical energy is is measured in Watts. It is calculated as P=V*I. Voltage across conductor and current through it is multiplied to get power in Watts.
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1. Calculate BTUs from watts by multiplying the number of watts by 3.414. If you have 2,000 watts, that would be 6,828 BTUs. 2. Calculate watts from BTUs by dividing the number of
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W=watts, V=volts, I=amps or current, R=resistance. W = V x I or, W = I. 2. x R or, W = V. 2. / R.
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W = V x I or W = I^2 x R or W = V^2 / R where W is power in watts, V is voltage in volts,
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