ECE 301
Fall Semester, 2004
HW Set 3
Due: September 23, 2004
wlg
Name__________________
Print (last, first)
Use engineering paper. Work only on one side of the paper. Use this sheet as your cover
sheet, placed on top of your work and stapled in the top left-hand corner. Number the
problems at the top of the page, in the center of the sheet. Do neat work. Underline
your answers. Show how you got your equations. Be sure to show how you got your
answers. Each problem counts 5 points.
4.11
w1F = 72 J,
w1H = 2 J,
w2H = 4 J,
w2F = 0 J
4.14 iL(t= 15 s) = -13.67 mA
4.19 L = 10 mH
4.20 C = 0.5 F
4.25
vavg = -4V, Vrms = 6.4 V:
4.28
irms 
2
A
3
ratio = - 0.625