Asked by Joe
A 100-Watt light bulb plugged into a 120-Volt outlet is left on for 60 seconds. How much energy (in Joules) is used up by the bulb during this time?
Answers
Answered by
drwls
Forget the voltage. It doesn't matter.
Power(W) x time(s) = energy
in Watt-seconds (Joules)
Power(W) x time(s) = energy
in Watt-seconds (Joules)
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