問題詳情
5 當電路上的燈泡不亮，有可能是燈泡損壞，也可能是供電的電路故障。若以三用電表檢測燈泡不亮的原因，下列何者正確？
(A)將三用電表與電路中的燈泡並聯，測量是否有電流流經燈泡
(B)將三用電表與電路中的燈泡並聯，測量燈泡的電阻
(C)將燈泡由電路上拆下，以三用電表測量燈泡的電阻
(D)將燈泡由電路上拆下，以三用電表測量燈泡上是否有電壓
(A)將三用電表與電路中的燈泡並聯，測量是否有電流流經燈泡
(B)將三用電表與電路中的燈泡並聯，測量燈泡的電阻
(C)將燈泡由電路上拆下，以三用電表測量燈泡的電阻
(D)將燈泡由電路上拆下，以三用電表測量燈泡上是否有電壓
參考答案
無參考答案
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