4 Questions with Solution of Electronics and Circuits I - Exam 2 | ELEC 215, Exams of Electrical and Electronics Engineering

Download 4 Questions with Solution of Electronics and Circuits I - Exam 2 | ELEC 215 and more Exams Electrical and Electronics Engineering in PDF only on Docsity! ELEC 215 Name (please print) SOLUTIONS Exam #2 - Fall 2015 October 8, 2015 Closed Book and Notes Provided Calculators Only Do ALL work on these pages SHOW YOUR WORK - you must show all your work clearly (do in pencil, erase errors completely). If no work is shown, or work is not neat and orderly, credit may not be given - even for the correct answer! 1. (25 points) In the op amp circuit below, find the voltage Vo in terms of the input voltage (Vj) and the resistors. o < ce De or ae = Vv Moh 4 4D = - = : sel as tonsa - ; Camelot) Va = Vie-VA =p — . 7 (he Va-Ve . Ve-Ve “Re o> is Ry a Vv a7, ee 0 A Se _ = Vo =P Vo- ~ E(t B\ ve CONTINUED ON NEXT PAGE 22? ELEC 215 - Fall 2015 Exam #2 page 2 of 4 2. (25) (a) Using mesh analysis and the labeling given, write a com! ete set of equations that would be needed to find all the mesh currents in the circuit below. You must use mesh analysis and the labeling given to receive credit for this problem. 40h. A) int CD) -—7-3(ha cont ) Const) cot) Vx = 3 (Ta-Fe) Contr ) tg = LA = ty (b) Write the equations found in Part (a) in the matrix form below. nh oO -3 O70 Ee O oor Fe 5 q O co —| Lo 3 Ic oO a1 oe > 45-305 > Vee lec =| | oS Oro fs | I C) CONTINUED ON NEXT PAGED D>