DOMJSONAppTeXFocusTest Problem 23.52 Part A How much power is dissipated by the
ID: 1464165 • Letter: D
Question
DOMJSONAppTeXFocusTest
Problem 23.52
Part A
How much power is dissipated by the 12 resistor in the figure? (Figure 1)
Express your answer using two significant figures.
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Part B
How much power is dissipated by the 15 resistor in the figure?
Express your answer using two significant figures.
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Figure 1 of 1
PHYS1325SEC003
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Week 12 HW 2
Problem 23.52
ResourceseTextConstantsStudy Area
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Problem 23.52
Part A
How much power is dissipated by the 12 resistor in the figure? (Figure 1)
Express your answer using two significant figures.
SubmitHintsMy AnswersGive UpReview Part
Part B
How much power is dissipated by the 15 resistor in the figure?
Express your answer using two significant figures.
P = WSubmitHintsMy AnswersGive UpReview Part
Provide FeedbackContinue
P = WFigure 1 of 1
PHYS1325SEC003
Signed in as Ryan Smith
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Close
Week 12 HW 2
Problem 23.52
ResourceseTextConstantsStudy Area
« previous 18 of 24 next »
Explanation / Answer
applying kirchoff law
e - i*(R1+R2) = 0
i = e/(R1+R2) = 9/(12+15) = 1/3 A
(a)
power dissipated by the 12 resistor = P1 = i^2*R1 = (1/3)^2*12 = 1.33 W
(b)
power dissipated by the 12 resistor = P2 = i^2*R2 = (1/3)^2*15 = 1.67 W
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