若某RL串联电路某频率下的等效复阻抗为(1+j2)Ω,且其消耗的有功功率为9W,则该串联电路的电流为( )A,该电路吸收的无功功率为( )var。
发布时间:2025-12-07
A.6,18
B.3,18
C.3,15
D.6,15
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