... L = 10 mH v t in cú C = 1F thi im t=0 hiu in th hai ban t cú giỏ tr cc i Uo = 10 V Nng lng t trng cun dõy thi im LC tớnh t t = l t= A 3 ,15 .10 -5J B 3,25 .10 -5J C 3,5 .10 -5J D 3,75 .10 -5J Cõu 13 : ... A 19 ,97cm B 19 ,75mm C 20cm D 14 ,90cm Tr .THPT- HL Mó thi s 13 4 Trang 3/6 Cõu 31: Treo hai vt nh cú lng m1 v m2 vo mt lũ xo nh, ta c mt lc lũ xo dao ng vi tõn s f Nu chi treo vt lng m1 thi ... ktc v m c cú 1, 648 .10 16 ht , Suy giỏ tr gõn ỳng ca s Avụgarụ N1 so vi giỏ tr ỳng NA= 6,023 .10 23 ht/mol thi sai s bao nhiờu % ? A 6,03% B 5,25% C 8,92% D 3,09% Tr .THPT- HL Mó thi s 13 4 Trang 5/6...