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Ohms Law Calculator      
Insert data into yellow fields, results appear in green.    
I P R E  
CURRENT WATTAGE RESISTANCE VOLTS  
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  E÷R
  √P÷R
         
  I²×R
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  E×I
         
  E²÷P
  E÷I
  P÷I²
         
X I×R
  P÷I
  √P×R
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Light Done Right is a registered trademark of Spectrum Lighting Inc.