ECE201_5_Qi - ECE 201 Lecture 5 Announcements Graded...

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Unformatted text preview: ECE 201 Lecture 5 Announcements Graded homework to be picked up in EE 26 Homework solutions are posted the day after it is due. New Syllabus is posted on the course web page (times and locations of the review sessions). TA schedule is posted outside EE 26. Do you mind putting your names on your homeworks? Revisit KCL +- Circuit element-2cos(2t) A-9cos(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 A-V B =-3V; V BC =V B-V C =21V; V AC =V A-V C =18V Example: Find power absorbed or delivered...
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This note was uploaded on 02/03/2012 for the course ECE 201 taught by Professor All during the Fall '08 term at Purdue University-West Lafayette.

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ECE201_5_Qi - ECE 201 Lecture 5 Announcements Graded...

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