( )承恩操作摩擦起電與感應起電實驗。實驗步驟如下表所示，試問最後各物體所帶電荷的情形何者正確？(A)甲帶負電 (B)乙帶正電 (C)丙帶正電 (D)丁帶負電

問題詳情

9.( )承恩操作摩擦起電與感應起電實驗。實驗步驟如下表所示，試問最後各物體所帶電荷的情形何者正確？
(A)甲帶負電
(B)乙帶正電
(C)丙帶正電
(D)丁帶負電

參考答案

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

內容推薦

【題組】(A) fake(B) fault(C) find(D) froth
三、克漏字Archaeologists searching Portugal’s coast have found a 400-year-old ship (26) near Lisbon after
Swinging Lamppost Apartments ______ pet owners. There’s even a dog park on the premises.(A) appl
______ the semester is over, I’m going to rest a few days and then go abroad.(A) As to(B) Becaus
Among humans, brain size doesn't indicate how smart someone is. Some geniuses have smaller-
Doctor Liu ______ her patients to have more exercise.(A) deserves(B) inherits(C) recommends(D) st
More flood is expected in eastern China ______ areas further inland, like Nanjing and Wuhan.(A)
Many poor people believe it is possible to _______ in this country of opportunities.(A) beat aro
變壓器是一種用來改變交流電壓高低的裝置，是依據下列哪個定律？(A) 庫倫定律 (B) 必歐–沙伐定律(C) 安培右手定律 (D) 法拉第感應定律
The emotional toll from a(n) ______ event can cause intense, confusing and frightening emotions.(

內容推薦