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Introduction to Circuits and Electronics

by: Mrs. Lacy Schneider

47

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3

Introduction to Circuits and Electronics ECEN 2250

Mrs. Lacy Schneider

GPA 3.9

Staff

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COURSE
PROF.
Staff
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Class Notes
PAGES
3
WORDS
KARMA
25 ?

Popular in ELECTRICAL AND COMPUTER ENGINEERING

This 3 page Class Notes was uploaded by Mrs. Lacy Schneider on Thursday October 29, 2015. The Class Notes belongs to ECEN 2250 at University of Colorado at Boulder taught by Staff in Fall. Since its upload, it has received 47 views. For similar materials see /class/231806/ecen-2250-university-of-colorado-at-boulder in ELECTRICAL AND COMPUTER ENGINEERING at University of Colorado at Boulder.

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Date Created: 10/29/15
ECEN 2250 Circuits Fall 2008 Quiz 25 Nov 7 2008 A vt100x200310t 45 Given a voltage represented by the phasor B vt 200x27Z39COS27Z3910t 135 V 10 3910 J c vt 2007 00527r10t 45 What is the derivative of the voltage in the time domain The frequency is 10 Hz d D d vt 200x27rcos27r10t 45 1 ECEN 2250 Circuits Fall 2008 Quiz 25 Nov 7 2008 First express phasor as magnitude and phase polarform V 10 j10 10JEe J3945 Phasor representing derivative is then Vd j27z1010J e j45 200x27L39ej9006j450 zoo zej45 50 time domain waveform is vt 2 200x57 cos2710t 45 ECEN 2250 Circuits Fall 2008 Quiz 25 Nov 7 2008 Alternative solution based on in class discussion You want to be able to do this in the phasor domain though First express phasor as magnitude and phase polarform V 10 j10 10JEe J3945 Time domain version of this voltage is then Vl 10 COS27101 45 Take the derivative in the time domain Vt bow57 sin 2mm 45 200J275c0527510t 45 90 200J275c0527510t 45 which is the same

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