... )(V)2 ; PNu 200cos(100 t 0,1 )(V) b, L 0, 225( H);C 22,8( F) ; c, i 2cos(100 t )(A)4 Bài 2: ... (); Pmax = 125 (W); i 2,5cos(100 t 0,785)(A) b, R = 50 (); Pmax = 62,5 (W) ; c, R = 0 (); Pdmax = 120 (W) Bài 2: 2LH, ... rad18037i 2 2cos(100 t )A180 . - 2 là: oL22Z 60tan 2,4 67r 25 - 2: 2o o ou 2 i67 37 306 . 2u...