問題詳情
1. ( ) 如圖(一)所示，當甲、乙兩燈泡串聯時，甲燈泡比乙燈泡亮；如果將兩燈泡並聯後，如圖(二)所示，其中甲、乙兩燈泡的亮度關係，下列何者正確？（ab與cd間之電壓維持穩定，電功率P＝IV，歐姆公式V＝IR）
(A)甲燈泡比乙燈泡亮
(B)甲燈泡與乙燈泡一樣亮
(C)甲燈泡比乙燈泡暗
(D)甲、乙兩燈泡產生亮暗交替變化的現象。
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增
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