五常（電）
Authored by Sin Hau
Education
1st - 6th Grade
Used 6+ times
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16 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以下哪些物件是導電體？(可有多個選項)
蠟燭
木條
鉛筆芯
鋼湯匙
橡皮筋
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
陽光是在自然界中出現的強力電源。
正確
不正確
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一般電線都會包裹著＿＿＿＿，以避免使用者觸電。
鐵線
塑膠
白紙
金屬
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
導電體通電後會產生熱，這現象稱為磁效應。
正確
不正確
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
燈泡是應用了電的光效應。
正確
不正確
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電鈴能響起來是應用了電的＿＿＿＿效應。
熱
光
磁
電
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甚麼是電磁鐵？
通電後產生磁力的鐵釘
有導電功能的鐵釘
不用接駁電源也有磁力的鐵釘
通電後的鐵釘能發光
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