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18.0 V, 80.02 24.0 V- 50.02 I3 65.02 80.0N 12.0 V

18.0 V, 80.02 24.0 V- 50.02 I3 65.02 80.0N 12.0 V

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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An electric circuit consisting of wires, batteries and resistors is shown. All currents have been labeled and assigned directions.

 

a.) Which statement is a correct expression of Kirchhoff's Junction Rule for currents with labels and directions assigned on the above figure? 

  I1 + I2 + I3 = 0   
   I1 - I2 + I3 = 0   
   None of these statements are correct.   
   I1 - I2 - I3 = 0   
   I1 + I2 - I3 = 0   

b.) Which statement is a correct expression of Kirchhoff's Loop Rule for the sum of voltage changes for the large outer loop? 

   18.0 V - (80.0 Ω)I1 + 12.0 V + (50.0 Ω)I3 + (80.0 Ω)I3 = 0   
   18.0 V - (80.0 Ω)I1 - 12.0 V + (50.0 Ω)I3 + (80.0 Ω)I3 = 0   
   None of these statements are correct.   
   18.0 V - (80.0 Ω)I1 + 12.0 V - (50.0 Ω)I3 - (80.0 Ω)I3 = 0   
   -18.0 V - (80.0 Ω)I1 - 12.0 V + (50.0 Ω)I3 + (80.0 Ω)I3 = 0   
   18.0 V - (80.0 Ω)I1 - 12.0 V - (50.0 Ω)I3 - (80.0 Ω)I3 = 0
18.0 V, 80.02 24.0 V- 50.02 I3 65.02 80.0N 12.0 V
Transcribed Image Text:18.0 V, 80.02 24.0 V- 50.02 I3 65.02 80.0N 12.0 V
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