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Question: Lightbulb A is marked "40.0 W 120 V," and lightbulb B is marked "60.0 W 120 V." These labels mean that each lightbulb has its respective power delivered to it when it is connected to a constant 120-V source.
(a) Find the resistance of each lightbulb. R(40.0 W 120 V) = R(60.0 W 120 V) =
(b) During what time interval do 2.00 C pass into lightbulb A?
(c) Is the charge different upon its exit versus its entry into the lightbulb? Explain.
(d) In what time interval do 1.70 J pass into lightbulb A?
(e) By what mechanisms does this energy enter and exit the lightbulb? Explain.
(f) Find the cost of running lightbulb A continuously for 30.0 days, assuming the electric company sells its product at $0.110 per kWh.
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