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ECOMMS ECOMMS Readiness Quiz Spring 2010 January 26, 2010 9:30-10:30 AM Student’s Name : DIRECTIONS : This QUIZ is intended to verify that you have sufficient knowledge of the pre-requisites for ECOMMS, namely NETWORKS II and MATH FOR ENG ANALYSIS II. Answer all questions. This quiz is CLOSED BOOK/NOTES . Calculators are permitted. Remember to specify UNITS for all answers. Use proper NOTATION. 1. Provide a self-assessment of your mastery of the material covered in NETWORKS II and MATH FOR ENGINEERING ANALYSIS II. (5 points) NETWORKS II Poor Marginal Satisfactory Good Excellent MATH FOR ENG ANALYSIS II Poor Marginal Satisfactory Good Excellent 2. Convert the following complex number into polar form. (5 points) 10 10 j + 3. Convert the following complex number into Cartesian form. (5 points) 10e - j π /4 1

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4. Express the following time-domain signal in phasor form. (5 points) w ( t ) = 10cos (2 π60 t + π/6 ) 5. Express the following phasor as a time-domain signal.
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