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Unformatted text preview: 6 W of power? 5. For the circuit shown below, what are the voltages across elements A, B and C? Make sure to indicate voltage polarities on the diagram. 7. (14 points) (a) Find all node voltages of the circuit shown by using nodal analysis (6 points) (b) Calculate the power (released or absorbed?) bv the 12 V source. (14 points) (a) Find the current going through the 5 V source by applying loop anaIysis. (6 points) (b) Calculate the power (released or absorbed?) by the 5 resistor. 1 5 1 1 (r-? , b t = I!$ 3cc.z- loL'. - >< - - - (0 5 - 3 ( 5 i 3 - IU(cz-25) - <( 1 -lXq) = O . F- - (d', -k 90 c; = 5 - - - 1.2) CvI in1 in1 Lvd3 .- >olve (1) 2 (z) c, =. ( A , i, -. o, sn - - I ' ( b7 i - L I - ~ 3 = ! - g,;-= o , 5 A C-.-...
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- Spring '11