take ur time 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 75-W rating.3120 V(a) Find the rms current in each bulb.AIbulb 1Ipulb 2AI bulb 3A(b) Find the resistance of each bulb.ΩRpulb 1ΩRpulb 2Rpulb 3(c) What is the total resistance of the combination of the three lightbulbs?Ω2,

Answered: Image /qna-images/answer/89e17ac6-bc37-4990-9da1-6579970e57a7.jpg

120 V a) Find the rms current in each bulb. bulb 1= A bulb 2 = bulb 3 = A 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

120 V a) Find the rms current in each bulb. bulb 1= A bulb 2 = bulb 3 = A 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

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter7: Alternating Current, Power Distribution, And Voltage Systems

Section: Chapter Questions

Problem 7RQ

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Question

take ur time

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 75-W rating.
3
120 V
(a) Find the rms current in each bulb.
A
Ibulb 1
Ipulb 2
A
I bulb 3
A
(b) Find the resistance of each bulb.
Ω
Rpulb 1
Ω
Rpulb 2
Rpulb 3
(c) What is the total resistance of the combination of the three lightbulbs?
Ω
2,

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