Electric Power
Power \((P)\) is the rate of doing work and is measured by the amount of foot pounds of work done in a particular unit of time. A horsepower is a measure of power.
Power formulas |
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\(\large{ P = V\;I }\) \(\large{ P = R \; I^2 }\) \(\large{ P = \frac{V^2}{R} }\) |
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Symbol | English | Metric |
\(\large{ P }\) = power | \(\large{W}\) | \(\large{\frac{kg-m^2}{s^3}}\) |
\(\large{ I }\) = current | \(\large{A}\) | \(\large{\frac{C}{s}}\) |
\(\large{ R }\) = resistance | \(\large{\Omega}\) | \(\large{\frac{kg-m^2}{s^3-A^2}}\) |
\(\large{ V }\) = voltage | \(\large{V}\) | \(\large{\frac{kg-m^2}{s^3-A}}\) |
Tags: Electrical Equations