如圖所示電路中,已知I1=0.01μA,I2=0.3μA,I5=9.61μA則電流I3等于()
A.0.31μA B.0.41μA C.0.51μA D.0.61μA
如圖所示,若Uab=6V,求電流i()
A.i=0.2A B.i=0.4A C.i=0.6A D.i=0.8A
如圖所示電路,求電壓Uab()
A.Uab=7V B.Uab=6V C.Uab=5V D.Uab=4V