ENEL 280 Sample Exam 2
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!"!# %&'()*+,-. /01*- !2*+01*30415 "67!588888888888888888888888888888 )39:.13 ;< 88888888888888888888888888 8888888888888 !"#$%&' )*'$&"+,,,,,,,,,,,,,,,,,, !2*+ =*>. ? 4@ ?A !"!# %&' ()*+#! +,-.#!*( /,-* +,!01-2( !3)*( 4-4)# *),5( 6 78' !" $"% "&'$ '()* +"",-'% .$%/- /$0%1.2%'! %" !" 0"3 BC0D 0D * E-4D.: F44G .2*+01*3041H9 ,!/!,!":! /-,*2#)5 V L = L " dI dt I c = C " dV dt a = N p N s = V p V s = I s I p w L = 1 2 " L " I 2 w c = 1 2 " C " V 2 f r = 1 2# L" C ? I= J KLM N*33D V ( t ) =V ( 1 " e " t # ) V ( t ) =V $ e " t # " = R # C " = L R PF = cos( " ) Z = R + jX , Y = 1 Z X L = + j " L, X C = # j " C " = 2$ f r"# = a 2 + b 2 Tan $1 b a a + jb = r % cos# + jr % sin#
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