課題10
Authored by WaiIeng Mok
Science
1st - 5th Grade
Used 1+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一項是導電體?
玻璃
木
硬幣
橡
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
用電物品需要6V電壓，應用多少粒AAA電池?
2
4
3
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪些用電物品是使用乾電池?
微波爐
泠氣機
電磁爐
遙控器
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一項是絕緣體?
鐵叉
紙
水
萬字夾
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電路在甚麼狀態，才能正常工作?
短路
閉合電路
斷路
未完成閉合
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
乾電池不具有?
南極
正極
負極
電壓
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電路中，開關的作用是?
為電路提供電力
連接電池及用電設備
控制電路的開合狀態
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