I regret（)that I'm unable to help youA sayingB to sayC sayD said

A.1.414/2I

B.Im=1.414I

C.Im=1.732I

D.Im=I

A.Im=√2I;

B.Im=√2I/2;

C.Im=I;

D.Im=√3I。

A.I=Im·sin(Wt+30)

B.I=Im·sin(Wt-30°)

C.I=Im·sin(Wt+210°)

D.I=Im·sin(Wt-210°)

A.Im=2I

B.Im=I

C.Im=2I

D.Im=3I

已知i=10sin(100t十30°)A，则I_m=______，I=______，ω=______，f=______，T=______，φ=______。

A.任一时刻i总大于0

B.任一时刻i总小于0

C.i值在0～Im之间变化

D.i值-Im～Im之间变化

A.I

B.IM

C.MI

D.都不是

A.Im=√3I；

B.Im=√2I；

C.Im=0.707I；

D.Im=1.57I

A.I=21/2Im

B.I=21/2Im/2

C.I=2Im/n

D.I=Im/2