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1/200=0.005安 事實上,節能燈電路中有電感,功率因數可能不到0.8, 所以,額定電流約等於0.005/0.8=0.00625安. 以上兩個電流都不是通過節能燈的電流,而是通過節能燈回路的電流.
電流0.18A 電阻1210歐
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