問題詳情

33. The circuit right contains three 100-W light bulbs. The emfε = 220 V. Which light bulb(s) is(are) the brightest?


(A) A
(B) B
(C) C
(D) Band C
(E) All three are equally bright

參考答案

答案:A
難度:計算中-1
書單:沒有書單,新增