The figure below shows three lightbulbs connected to a 120-V AC (rms) household supply voltage. Bulbs 1 and 2 have a power rating of 45 W, and bulb 3 has a 100-W rating. 120 V 2 3 (a) Find the rms current in each bulb. Ibulb 1 = A Ibulb 2 A Ibulb 3 = A (b) Find the resistance of each bulb. Rbulb 1 = Ω Rbulb 2 = Ω Rbulb 3 = Ω (c) What is the total resistance of the combination of the three lightbulbs? Ω

The figure below shows three lightbulbs connected to a 120-V AC (rms) household supply voltage. Bulbs 1 and 2 have a power rating of 45 W, and bulb 3 has a 100-W rating. 120 V 2 3 (a) Find the rms current in each bulb. Ibulb 1 = A Ibulb 2 A Ibulb 3 = A (b) Find the resistance of each bulb. Rbulb 1 = Ω Rbulb 2 = Ω Rbulb 3 = Ω (c) What is the total resistance of the combination of the three lightbulbs? Ω

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter21: Alternating-Current Circuits And Electromagnetic Waves

Section: Chapter Questions

Problem 1P: (a) What is the resistance of a light bulb that uses an average power of 75.0 W when connected to a...

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