L
lonely_girl_sad


cho doan mach r,l,c mac noi tiep r thay doi.Uab =150can2cos 100#t (v).
L=20#(H)
C=10^-4/0.8# (F)
mach tren tieu thu cong suat dien P=90W
viet bieu thuc i.(#=3.14)
L=20#(H)
C=10^-4/0.8# (F)
mach tren tieu thu cong suat dien P=90W
viet bieu thuc i.(#=3.14)
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