
南一五下ch3水溶液的性質-3水溶液的導電性

Quiz
•
Physics
•
5th Grade
•
Hard
hsiulien 邱
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
在電池、電線和燈泡的電路中,接上具有導電性的物質,使電路連接成通路時,燈泡會亮起來。
是
否
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
下列哪些物品,放在電路中會讓燈泡亮起來?
迴紋針
硬幣
鐵尺
木椅
L夾
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
斷路中加入物體後,若燈泡亮了,表示這個物體是好的導電物
是
否
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
使用發光二極體(LED)時,下列哪些正確?
長腳端要接在由電池正極出來的電線上(長+正)
短腳端要接在由電池負極出來的電線上(長+負)
短腳端要接在由電池正極出來的電線上(短+正)
長腳端要接在由電池負極出來的電線上(長+負)
長腳和短腳接哪一端的電池出來的電線都會使LED亮
5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
「發光二極體」LED燈,具有那些優點?
體積小
用電省
壽命長
價格便宜
亮度亮
6.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
水溶液除了酸鹼性,還有導電性。
是
否
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
生活中使用的電是220V(伏特)和110V(伏特) ,是由發電廠產生後輸送到各地。
是
否
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