题目内容
当ωL=4Q与=362并联后外加电压(8sinωt+3cos3ωt)V时,总电流为()A。
2021-01-08
A.4sin(ωt-90°)+2/3cos3ωt
B.-4cosωt
C.4sin(ωt+90°)
D.4sinωt+2/3cos3ωt
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