(37%) Problem 2: Consider the circuit diagram, depicted in the figure. 0.5 1.5 0
ID: 777212 • Letter: #
Question
(37%) Problem 2: Consider the circuit diagram, depicted in the figure. 0.5 1.5 0.5 2 45 50% Part (a) What equation do you get when you apply the loop rule to the loop abcdefgha in terms of the variables in the figure? Grade Summary Potential 100% (1.00 7 | 8 | 9 | Submissions Attempts remaining: 5 (3% per attempt) detailed view 1 2 3 VO Hint I give up! Hints remaining:2 Feedback: 0% deduction per feedback. 50% Part (b) If the current through the top branch is/2 a14 A, what is the current through the bottom. 13, in amps?Explanation / Answer
a) The equation in loop abcdefgha is
18-0.5*I2+1.5I3 +0.5I3 -45-2.5I2=0
Or, 2I3-3I2=27
b) Given I2=0.14 A,
current I3 can be determined from loop equation
I3=[27+(3*0.14)]/2=13.71 amperes
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