9.10答案(清北).docx
1.D2.AC,3.DABCD5D6.B7.BC8.BC9.ABD10.BD11.ACD12.D13.BC14.B15.AD16.AD17.ABC18.ABr19.BC,20.C21.C22.CD23.D24.ABC25.D26.BD27.C28.C29.A30.BD3LA32.BD33.D34.CD35.BC好好做完这套题并改正。细致复,习电场,恒定电流!1.(1)-mv90.(2)422.(1)2eC(2)2Uld23.(1)12Q(2)2A(3)15wn°V机3"1.2W=384W4(1)(-2L,L4)(2)XJ=-25430. N (2) 0.5 s (3) 33/16m5.(1.)2023NC(2)5ms(3)3N(清北)6.(1)