# 1Quiz 4 - a 1 v 1 a 2 v 2 a 3 v 3 =k(15pts At node 2 in...

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ECE 205 A, B, and C Quiz#4 Name: Calculator Model: 1. Determine V o in the circuit below (5pts) At the top node, KVL gives 0 4 ) 12 ( V 2 0 V 1 36 V o o o 1.75V o = 33 or V o = 18.857V Possibly useful formulas R R R R R R R R R R arallel: stors in p For N resi eries: stors in s For N resi v KVL i at KCL iR v N eq N eq n N n n N n 1 1 1 1 1 0 : loop closed a around : , 0 : node circuit a : , : Law s Ohm' 3 2 1 3 2 1 1 1

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2. Write equations to determine nodal voltage of v1, v2, and v3 of nodes 1, 2 ,and 3 in the circuit shown below. You need to write your equations in the format of
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Unformatted text preview: a 1 v 1 +a 2 v 2 +a 3 v 3 =k. (15pts) At node 2, in Fig. (a), 5 = 2 v v 2 v v 3 2 1 2 10 = - v 1 + 2v 2- v 3 (1) At the supernode, 8 v 4 v 2 v v 2 v v 3 1 3 2 1 2 40 = 2v 1 + v 3 (2) From Fig. (b), - v 1- 10 + v 3 = 0 v 3 = v 1 + 10 (3) Solving (1) to (3), we obtain v 1 = 10 V , v 2 = 20 V = v 3 (b) 5 A v 3 8 4 2 2 v 2 v 1 – + 10 V + v 1 + v 3 (a)...
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