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【单选题】
如相量图所示的正弦电压 施加于 X C =5 W 的电容元件上,则通过该元件的电流相量为:A.
2 Ð 120 ° A
B.
50 Ð 120 ° A
C.
2 Ð － 60 ° A
D.
50 Ð － 60 ° A
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A.
why he is leaving
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whether he is leaving
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A.
Although
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