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Unformatted text preview: 1 R alone is ( 29 W 5 . 367 6 . 131 V 220 2 = = P The power dissipated by 2 R alone is ( 29 W 5 . 1632 7 . 29 V 220 2 = = P MAE 3780 MECHATRONICS FALL 2009 2 10. MAE 3780 MECHATRONICS FALL 2009 3 11. Let A I be the current through the 1k resistor. Then, by the current divider rule: I R R I x x A + = k 1 , where x = 1,2,3 depending on the position of the switch. Solving for x R gives  = A A x I I I R k 1 . Setting A 30 = A I , gives the following results: = = 3 R mA 10 1 I = = 3 . R mA 100 2 I = = 03 . R A 1 3 I...
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 Fall '10
 GAO
 Mechatronics

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