1、 2016 8 6 48 14 15 16 17 18 19 20 21 6 3 0 14 R 1 R 2 E r A R 2 = R 1 +r R 2 B R 1 =R 2 +r R 1 C R 2 =0 R 1 D R 2 =0 15 , , O , A. : _ _ Z_X_X_K B. C. , D. , 来源: 学 。科。 网 16 , , 10 V,20 V,30 V, , , a b c , A. a, b, c B. F a =F b =F cC. E kb E ka E kcD. E pb E pa E pc17 m q v 0 A B C D 18 , A B C . .
2、, A.-9 4 -36 B.4 9 36 C.-3 2 8 D.3 -2 6 19 , A B ,C D ,M . A , . 1 2 4, 112, A. B B. C. 1 2 2 D. 124 :Z xx k.Com 20 ,L , O m -q , +Q , a b +Q .Oa h 1 ,ab h 2 , O , a 1 3gh . A. b ) 2 3 ( 2 1 h h g B. O b, C. Oa D. ab 21 4-2-15 A B r B R R=3r. A . A B . A t A B A. t 2 1B. t 2 1 5 C. t 2 1 6 D. t 2 1
3、7 174 22 32 3335 :Zxxk.Com 2 14 22 2 5k A 100 A 2k B 5 00 A 3 00 C 10V 100 k D 50V 500 k E 15V 1A F 1k 1W G 1 2 Rx 23 1 _ mm _ mm. 2 “ ” W W v W v 2 . 7 PQ Q Q : 7 L 1 L 2 L 3 L 4 v 1 v 2 v 3 v 4 Q . 1 2 3 4 L L 1L 2L 3L 4 : ZXXK v v 1v 2v 3v 4 L v W v 2 . _ _ _ “ ” “ ” 24 13 2-20 U=10V R 1 = 4 R 2 = 6 C = 30F 1 S R 1 2 S R 1 2-20 25 20 30 R= 2 1m L= 3.75m A B 0. 1kg = 6 3 ,g 10m/s 2 1 v 1 =3m/s A B 10 99 2 A B v 2 33 3-3 15 : ZXXK R m m A B A B R A B A A B (1 )B :Zxxk.Com (2 )B A (3 )B 学科网 高考一轮复习微课 视频手机观看地址 :http:/xkw.so/wksp