football198 football198
  • 18-05-2015
  • Physics
contestada

an alarm clock draws 0.5 a of current when connected to a 120 volt circuit. calculate its resistance.

Respuesta :

AL2006
AL2006 AL2006
  • 19-05-2015

Resistance = (potential difference) / (current) = 120V / 0.5A  =  240 ohms .


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