Question

Problem 2 (15 points) Use the circuit given to answer the following questions. a. On the figure, identify and label the different currents in this circuit. Be sure to give them directions. [2 point] b. Use Kirchoff's loop rule to write down equations for all 3 possible loops that could be used to solve for the currents in this circuit (You do not need to solve them!) 19 points = V, - IR, - V2 - IR4 so Vo vz + XR3 - 1 2 2 - V - IR, TO [V = V₂ & I 22 ~ I 23 - V 2 - IR, only 3 so I same lawy Cors: C. Assume the R3 has a resistance of R=5092. If the current through resistor R is 1;=0.41 (upward) and the current through R is 1.5 A (left), what is the current through resistor Rs and the potential difference across it? 4 points (You do not need to solve the equations in part A for this!) R3-50 13 2, Du 1, 0.4A7 In=1.5 Ah .4(50) 2ov

Answer 1

ain To F M V. V. Latha T - FR Ry i Rz Iz bsat Point (A) I , 2 Iz to - In left loop IR, tv + I, Ry - v=0 SIR, +1, R4 = V. - In right loop FR₂ + I, R, - V-I, R, .=0 & I (R+R) - I R = V + V cd - R₂=Sor Iz= -0.4A I = 1.5A I3 = ? V = ? We know, I , = I, + I, 1.5 = 6.4 ta, I, = (1.94 - IR, 21.9450 395 volts

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