... Khi ú tớch s R1.R2 l: A 2 .10 4 B 10 2 C 2 .10 2 D 10 4 Trang 3/4 - Mó thi 13 2 GV : Nguyn V Minh THI TH H 2 011 Cõu 41: Khi mc t in cú in dung C1 vi cun cm L thỡ tn s dao ng ca mch l f1 = 6kHz; mc ... súng truyn i c mt chu k 1C, 2C, 3D, 4A, 5B, 6B, 7B, 8D, 9C, 10 D, 11 D, 12 A, 13 A, 14 A, 15 C, 16 B, 17 D, 18 B, 19 B, 20C, 21C, 22C, 23B, 24A, 25D, 26B, 27C, 28A, 29A, 30A, 31D, 32A, 33B, 34B, 35C, 36D, ... thỡ rụto phi quay vi tc l bao nhiờu? Trang 2/4 - Mó thi 13 2 GV : Nguyn V Minh THI TH H 2 011 A 15 00vũng/phỳt B 750vũng/phỳt C 500vũng/phỳt D 12 ,5vũng/phỳt Cõu 27: iu no sau õy l sai so sỏnh tia...