Return to Blackboard Wiley PLUS Svoboda/Dorf, Introduction to Electric Circuits,

Question

Return to Blackboard Wiley PLUS Svoboda/Dorf, Introduction to Electric Circuits, 9e Help I System Announcements (1 Unread ASSIGNMENT RESOURCES Problem 4.4-3 Homework 1 Determine the node voltage vb for the circuit of the Figure. Exercise 4.4-1 Problem 4.4-1 4.4-2 Problem 4.4-3 6 kS2 Problem 4.4-5 3 k2 12 Review Results by Study object the tolerance is +/-4% LINK TO TEXT powered by MapleNet Copyright O 2000-2016 by John Wiley & Sons, Inc. or related companies. All rights reserved. T:n EN X WileyPLUS https:// edugen.wileyplus.com /edugen/liti/main.un PRINTER VERSION BACK NEXT Question Attempts: 0 of 10 used SAVE FOR LATER SUBMIT ANSWE

Explanation / Answer

Appplying nodal analysis (KCL) on top node we have

[(12-Vb)/6] + 5ia = Vb/3

since we can write [(12-Vb)/6] = ia and using this equation in above equation we have

[(12-Vb)/6] + 5 [(12-Vb)/6] = Vb/3

implies 6[(12-Vb)/6] = Vb/3

implies 12 -Vb = Vb/3

implies Vb= 9V

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