通过导体的电流：I= Q t = 4C 10s =0.4A，由W=UIt=UQ可得，导体两端的电压：U= W Q = 24J 4C =6V，由I= U R 可得，导体的电阻：R= U I = 6V 0.4A =15Ω．故答案为：0.4；6；15．
