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Everybody has heard about Ohm's Law it states that Voltage, Current and Resistance in a circuit are all related:

Voltage/Current = Resistance
or V/I = R

Power = Voltage x Current
Power = Current x Resistance x Current (because Voltage = Current x Resistance)

W = I2 R

From this simple formula it can be seen that current has a significant effect on the total power in a circuit. ← Back to all Technical Resources