... a, - CLAN MBZZtan ,tanRR ; AN MB AN MBtan .tan 12 R 100 2( ); b, R 100( ) ... UAB = 120 V, f = 50 Hz I = 2,4 A, UR = 96 V a, R = ?, Z = ?; b, C = ?, UC = ? a, - : AB ABU U 120I Z 50Z I ... max thì ymin. - hàm y theo L: '(L)2y 2 LC . '(L)221y 0 2 L 0 LCC . - L 0 21C '(L)y...