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 100 W, and bulb 3 has a 75-W rating. 120 V 1 (a) Find the rms current in each bulb. I bulb 1= Ibulb 2= Ibulb 3= A A A (b) Find the resistance of each bulb. Rpulb 1= Rpulb 2= Rbulb 3= (c) What is the total resistance of the combination of the three lightbulbs?
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 100 W, and bulb 3 has a 75-W rating. 120 V 1 (a) Find the rms current in each bulb. I bulb 1= Ibulb 2= Ibulb 3= A A A (b) Find the resistance of each bulb. Rpulb 1= Rpulb 2= Rbulb 3= (c) What is the total resistance of the combination of the three lightbulbs?
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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![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 100 w, and bulb 3 has a 75-W rating.
120 V
1
(a) Find the rms current in each bulb.
Ibulb 1=
"bulb 2 =
Ibulb 3=
A
A
A
(b) Find the resistance of each bulb.
Rpulb 1=
Rbulb 2
Rbulb 3=
(c) What is the total resistance of the combination of the three lightbulbs?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F506075f2-8ab2-4916-8dcd-c0645abe06cc%2F697413fe-2501-4bfd-b639-f10edb4e8e47%2F4ghutpn_processed.png&w=3840&q=75)
Transcribed Image Text: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 100 w, and bulb 3 has a 75-W rating.
120 V
1
(a) Find the rms current in each bulb.
Ibulb 1=
"bulb 2 =
Ibulb 3=
A
A
A
(b) Find the resistance of each bulb.
Rpulb 1=
Rbulb 2
Rbulb 3=
(c) What is the total resistance of the combination of the three lightbulbs?
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