ECE 231 HW-9 Solution Set

ECE 231 HW-9 Solution Set - ECE-231 Circuits and Systems I...

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ECE-231 Circuits and Systems I Spring 2011 HW Set #9 Professor Stewart Personick ECEC-321 Stewart.Personick@NJIT.edu
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Instructions Send your solution set, via E-mail, to: personic@adm.njit.edu The “subject” of your E-mail must be : ECE 231 HW#9 (your last name) Your solution set must be in the form of an attachment. I.e. a Microsoft Office file (.doc, .docx, .xls, .xlsx, .ppt, .pptx) or a legible scan of a handwritten file. Your solution set must be sent to me by the deadline: Sunday, March 27, 8 p.m.
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Problem 1 7e j π /3 = A + jB Calculate the values of the ordinary numbers: A and B A = 7cos ( π /3) = 3.5 B = 7sin ( π /3) = 6.06
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Problem 2 120 + j50 = C e jD Calculate the values of the ordinary numbers: C and D (where C is a positive number) C= [(120)2 + (50)2]1/2 = 130 D= Tan-1 (50/120) = 0.39 radians
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Problem 3 (16 - j19) / (4 + j8) = C e jD Calculate the values of the ordinary numbers: C and D (where C is a positive number) 16 - j19 = E e jF ,where E = [(16)2 + (19)2]1/2 = 24.8,
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This note was uploaded on 03/26/2012 for the course ECE 231 taught by Professor Pietrucha during the Spring '08 term at NJIT.

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ECE 231 HW-9 Solution Set - ECE-231 Circuits and Systems I...

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