chicosolomon9 chicosolomon9

01-09-2015
Physics

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how many amps does a 60 watt light bulb use when it's powered by 120 volts

Respuesta :

01-09-2015

Power = (voltage) x (current)

Divide each side by 'voltage': Current = power / voltage

= (60 watts) / (120 volts) = 0.5 ampere

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