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Unformatted text preview: ECE 201 Lecture 5 Resistor combinations; voltage & current division Announcements • TA schedule is posted outside EE 26. • Please put both your names and PUID, and homework number on your homework. And staple it! Revisit KCL + Circuit element2cos(2t) A9cos(2t) A 3cos(2t) A cos(2t) A ? Current in: 2cos(2t) A Current out: [9cos(2t)]+cos(2t)+ ? +3cos(2t) Apply KCL:2cos(2t)= [9cos(2t)]+cos(2t)+ ? +3cos(2t) Rearrange: ? = [2cos(2t)][9cos(2t)]cos(2t)3cos(2t) + Circuit element 2cos(2t) A 9cos(2t) A 3cos(2t) A cos(2t) A ? Current in: 9cos(2t) A Current out: cos(2t)+ ? +3cos(2t)+2cos(2t) Apply KCL: 9cos(2t)= cos(2t)+ ? +3cos(2t)+2cos(2t) ? = 9cos(2t)cos(2t)3cos(2t)2cos(2t) Revisit KVL Find V AB , V BC and V AC A B C E F G H + 1V + 3V + 6V + + 2V 10V Set V A =0 V V E =1 V V F =2 V V H =8 V V C =18 V V B =3 V V AB =V AV B =3V; V BC =V BV C =21V; V AC =V AV C =18V Example: Find v 1 , v 2 , v 3 , and v 4 Problem 2.7 Problem 2.6: find V x Find I out and V out Example: Find power absorbed or delivered...
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This note was uploaded on 02/13/2012 for the course ECE 201 taught by Professor All during the Fall '08 term at Purdue.
 Fall '08
 ALL
 Volt

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