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Electrical power equation:
P = I × V = R × I2 = V2 ⁄ R where power P is in watts, voltage V is in volts and current I is in amperes (DC). If there is AC, look also at the power factor PF = cos φ and φ = power factor angle (phase angle) between voltage and amperage.
power means combination of two things voltage and current Explem if you have one load and run with load1 meter that's a power
