Three identical 100.0-W, 120-V lightbulbs are connected across a 120-V power source as shown in in the figure below. Assume that the resistance of each bulb is constant (even though in reality the resistance increases markedly with current). 120 V R₁ R₂ AV₂ = AV3 = (a) Find the total power supplied by the power source. W Rs (b) Find the potential difference across each lightbulb. Av₁ = V

Physics for Scientists and Engineers, Technology Update (No access codes included)
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ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter28: Direct-current Circuits
Section: Chapter Questions
Problem 28.72AP: Three identical 60.0-W, 120-V lightbulbs are connected across a 120-V power source as shown in...
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Three identical 100.0-W, 120-V lightbulbs are connected across a 120-V power source as shown in in the figure below.
Assume that the resistance of each bulb is constant (even though in reality the resistance increases markedly with current).
120 V
R₁
R₂
(a) Find the total power supplied by the power source.
W
=
(b) Find the potential difference across each lightbulb.
AV₁
AV₂ =
AV₂ =
Need Help?
Read It
R₂
V
Master It
Transcribed Image Text:Three identical 100.0-W, 120-V lightbulbs are connected across a 120-V power source as shown in in the figure below. Assume that the resistance of each bulb is constant (even though in reality the resistance increases markedly with current). 120 V R₁ R₂ (a) Find the total power supplied by the power source. W = (b) Find the potential difference across each lightbulb. AV₁ AV₂ = AV₂ = Need Help? Read It R₂ V Master It
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