Wattage in Parallel Circuits
Wattage in a Parallel Circuit is Additive
This means that to find the total wattage of a parallel circuit, just add up
the wattages of each component.
Here is the formula for wattage total in a parallel circuit with 4
Pt= P1 + P2 + P3 + P4
If you know the total wattage and all the component wattages except one,
then here are formulas for a circuit with 4 components:
P1 = Pt - P2 - P3 - P4
P2 = Pt - P1 - P3 - P4
P3 = Pt - P1 - P2 - P4
P4 = Pt - P1 - P2 - P3
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