题目内容
(请给出正确答案)
[单选题]
某一正弦交流电的表达式i=Imsin(ωt+φ0)=1sin(628t+300)A,则其有效值I、频率f、初相角φ的值符合下列选项____。(提示=1.414)
A.1A,50Hz,300
B.1A,100Hz,-300
C.0.707A,100Hz,300
D.0.707A,50Hz,300
提问人:网友yuhuowuyan
发布时间:2022-01-07
A.1A,50Hz,300
B.1A,100Hz,-300
C.0.707A,100Hz,300
D.0.707A,50Hz,300
某一正弦交流电的表达式i=Imsin(ωt+φ0)=1sin(628t+300)A,则其有效值I、频率f、初相角φ的值符合下列选项()。(提示=1.414)
A、1A,50Hz,300
B、1A,100Hz,-300
C、0.707A,100Hz,300
D、0.707A,50Hz,300
B、35.3W,8.82A
C、42.3W,9.82A
D、47.3W,14.82A
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