二、已知:v(0+)=1V、i()=1A, 2(t)=1-0.6e5A(t>0),试求 (1)vab(0+ dvc(t) (t) (2) a dt =0+ I 1Q M 02F i2(t)二、已知：vC(0+ )=1V、i1 (t)=1A, i2 (t)=1-0.6e-5t A (t>0)，试求： （1）vab(0 + ) =0+ C | d d ( ) (2) t t v t + vC - 1 0.2F i1 (t) a b i2 (t) N M