Feliu182 Feliu182
  • 08-07-2014
  • Physics
contestada

a lamp rated 100w 220 v is connected to mains electric supply . what current is drawn from the supplyy line, if the voltage is 220 v?

Respuesta :

AL2006
AL2006 AL2006
  • 08-07-2014
Power = (voltage) x (current)

100w = 220v x current

Current = 100w / 220v = 0.455 Ampere (rounded)
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