... bỏm vo ca tt (1 im ) Tỡm Rx cụng sut tiờu th trờn in tr ny t cc i (0,5 im ) S GD T BèNH NH TRNG THPT S II AN NHN B THI HC K 1- NM HC :2 011 -2 012 MễN VT Lí 11 - nõng cao Mó 456 Thi gian : 45 ... 14 ,4W Cõu 10 : Hai in tớch im ging tng tỏc gia chỳng cú c im: A lc hỳt, F =1, 6 .10 -6 N C lc y, F =1, 6 .10 -6 N q1 = q = 4 .10 - (C) t cỏch 3cm chõn khụng Lc in B lc y, F =1, 6 .10 -2 N D lc hỳt, F =1, 6 .10 -2 N ... III q1 = q = 4 .10 (C) - Cõu 8: Hai in tớch im ging t cỏch 3cm chõn khụng Lc in tng tỏc gia chỳng cú c im: A lc hỳt, F =1, 6 .10 -6 N B lc y, F =1, 6 .10 -2 N C lc y, F =1, 6 .10 -6 N D lc hỳt, F =1, 6 .10 -2...