A 180 W lightbulb is plugged into a standard 120 V outlet. (a) How much does it cost in dollars per 31-day month to leave the light turned on continuously? Assume electrical energy costs US$ 0.08/kW · h. (b) What is the resistance of the bulb? (c) What is the current in the bulb? (a) Number Units (b) Number Units (c) Number Units

A 180 W lightbulb is plugged into a standard 120 V outlet. (a) How much does it cost in dollars per 31-day month to leave the light turned on continuously? Assume electrical energy costs US$ 0.08/kW · h. (b) What is the resistance of the bulb? (c) What is the current in the bulb? (a) Number Units (b) Number Units (c) Number Units

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter29: Direct Current (dc) Circuits

Section: Chapter Questions

Problem 19PQ

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