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a09exam2sol

# a09exam2sol - ECE2011 ‘ EXAM 2 A09 M m" J?“ 0...

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Unformatted text preview: ECE2011 ‘ EXAM 2 A09 M m" , J?“ 0 Name : _1*_£1£L______‘________ ECE Box Number: Problem 1 Solve the following problems by applying nodal analysis, with reference to the ground node shown, to ﬁnd the system of equations that if solved would result in ﬁnding the nodal voltages. To make the grading easier, please enter your ﬁnal answers on the lines that have been provided. The nodal voltages have been given names to make the grading easier, so please use these names. To assist the grading process7 please leave the nodal equations in their most immediate form. that is. just as you would write them from scanning the circuit, with no attempts at simpliﬁcation, grouping or other algebraic manipulation. The order in which you list the nodal equations below does not matter. what matters is that you have N nodal equations if there are N unknown voltages! t; 3 R v 2 31 u; _ 03 «A d“; M ”m- U“; 35L U; U} 4‘ .— j m w 1/51. ‘5 ’ “'W t I) L 2A ¢ 3 A .UP“ 1 3“ , 17: ~ 55 ‘ if ‘“ “" _, 3 32% 2, f2 ~ U3, : — if— \/ Problem 2 Each of the following circuits were solved using Nodal analysis. The resulting node voltages are given with each circuit. But the real need was to ﬁnd the indicated currents. Using the nodal voltages, ﬁnd the numerical values of each of the indicated current variables. :”~“** “MA/\fwmwmmmi 1 Up (0V 2 3 g 3,. _.. “ﬁx ‘13” » .7 “LE “""”:ﬁ\/(“\Vg»’ ,M.M.l.i.w,mw :T 7 H ””17 l“ l ' fi 2: l " /‘“- W "Mi”“i’ i I z 9‘ l” ”3' a? ,3” {l S , Y. ". . 3i} I, \ ”'47) 1 (\ ¢\\‘ 3 v,(\\ l, 1 E) l/ *" x _ i m ,\f/ K‘f‘" ‘ t x“ ‘ it !s..w l W ...
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