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Ohms Law Calculator
Insert data into yellow fields, results appear in green.
I
P
R
E
CURRENT
WATTAGE
RESISTANCE
VOLTS
P÷E
E÷R
√P÷R
I²×R
E²÷R
E×I
E²÷P
E÷I
P÷I²
X
I×R
P÷I
√P×R
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