6 42L 42 10 4 = =1A I1=- ×4=-1.6A 6+4 4+6 4×6 U、=-10I1'+U1'=-10I1'+41 ×4=9.6V 4+6 =-10x1+4×1=-6V Us"=-101"+U1” =-10×(-1.6)+9.6=25.6V 共同作用：U,=U+U"=-6+25.6=19.6VUs ' = -10 I1 '+U1 ’ = -10 I1 '+4I1 ' = -10u1+4u1= -6V Us " = -10I1 "+U1 ” = -10 u(-1.6)+9.6=25.6V ޡ ˖⭘֌਼Us= Us ' +Us " = -6+25.6=19.6V 10V + – 6: I1 ' + – 10 I1 ' 4: + – Us ' + – U1 ' 6: I1 '' 4A + – Us '' + – 10 I1 '' 4: + – U1 " I 1A 6 4 10 1  c I 4 1.6A 4 6 4 1 u   cc  U 4 9.6V 4 6 4 6 1 u  u cc