... D UAK > 2e 2e 2e e (cỏn b coi thi khụng gii thớch gỡ thờm) P N 1A,2A,3D,4B,5A,6B,7D,8A,9D,10C,11C,12A,13C,14B,15A,16B,17D,18C,19B ,20 D ,21 A ,22 B ,23 A ,2 4B ,25 C ,26 B ,27 A ,28 D ,29 D,30B,31C,32D,33AB,34 ... ny l: A 9 ,2. 1015(m) B 920 0(nm) C 4,6.10 12( m) D 1,8.1014(m) P N 1D,2A,3A,4A,5A,6A,7B,8A,9A,10C,11B,12B,13A,14A,15D,16B,17B,18C,19B ,20 C ,21 A ,22 D ,23 A ,2 4A ,25 A ,26 B ,27 A ,28 A ,29 B,30C,31C,32C,33C,33C,34C,35A,36A,37C,38B,39C,40A,41B,42D,43A,4 ... hiu dng I = 2( A) Biu thc ca cng tc thi l: (A) 12 C i = 2cos100t (A) 12 (A) 12 D i = 2cos100t (A) 12 A i = 2 cos100t + Cõu 22 : Mt mỏy bin th cú t s vũng B i = 2cos100t n1...