... nhiờu? A C = 1 0-4 /(F); I = 0,6 (A) B C = 1 0-4 /4(F); I = (A) C C = 2.1 0-4 /(F); I = 0,6(A) D C = 3.1 0-4 /2(F); I = (A) Cõu 51 on mch xoay chiu (hỡnh v) UAB = hng s, f = 50Hz, C = 1 0-4 /(F); RA = RK ... U0Ycos(t + /2) B uX = U0Xcoscost; uY = U0Ycos(t - /2), C uX = U0Xcos(t - /6); uY = U0Ycos(t - /2), D uX = U0Xcos(t - /6); uY = U0Ycos(t - 2/3), Cõu 73 Mch gm: R = 50, cun thun cm L = 0,318(H) v ... I0cos(100t - ) (A) in ỏp hai u on mch l 12 A u = 60 2cos(100t - ) (V) B u = 60 2cos(100t - ) (V) 12 GIO TRèNH VT Lí LTH 2013 2014 Trang 47 CHNG III: DềNG IN XOAY CHIU ) (V) D u = 60 2cos(100t...