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(10 pts) 12. Using the appropriate transformations, find Ris for this circuit 4.7 kn 1.1 k2 ?? 6.8 k? 6.8 k? 6.8 kn (10 pts) 13. Use any method to determine the current to R when R-1862. 6? 2? 72V 3? 4?
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