[问答题]-----------.
[问答题]-------------.
[单选题]A.B.C.D.E.A、B、C、D均不正确
[单选题]A.B.C.D.E.A、B、C、D均不正确
[单选题]A.4.59375B.-20.59375C.-4.59375D.20.59375
[单选题]A.不变B.升高C.降低D.不确定
[单选题]A.120倍B.60倍C.-120倍
[单选题]A.300μFB.0.03FC.150μF
[单选题]A.120倍B.60倍C.-120倍
[单选题]A.300μFB.0.03FC.150μF