
閉合電路

Quiz
•
Science
•
5th Grade
•
Medium
李寶玲老師 李寶玲老師
Used 29+ times
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一項是可以讓電通過的閉合電路?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
圖中燈泡不會亮是因為__________。
電量不足
含有絕緣體
電池位置不正確
未能組成閉合電路
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
下列哪些是絕緣體?
橡皮
鉛筆芯
木條
鐵叉
塑膠
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
以下哪一項不是導電體?
鐵線
毛線
銅線
鋼線
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
以下哪一項不是絕緣體?
紙張
鐵尺
塑膠碟
玻璃杯
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪種是非金屬的導電體?
銀。
鋼。
鑽石。
石墨。
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
為甚麼電器插頭的外殼要使用塑料?
令設計更美觀
方便導電
避免使用者觸電
使插頭更輕巧
8.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
以下哪一項物料用於製造電器插頭接駁電源的部分?
塑料
木材
金屬
玻璃
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果把電線直接接駁到電池兩極,會有什麼後果?
引致斷路。
引致短路。
電量會耗盡。
電壓增強。
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