1112-L2-加深加廣-省電燈泡比一比
Authored by Kyle Cheng
Science
6th - 8th Grade
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關省電燈泡，按照省電的程度，何者為正確?
鎢絲燈泡 >鹵素燈泡 > LED燈泡
LED燈泡 > 鹵素燈泡 > 鎢絲燈泡
鹵素燈泡 > LED燈泡 > 鎢絲燈泡
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
生活中哪裡可以見到鹵素燈泡？(多選題)
汽車車燈
廣告招牌
舞台燈
蠟燭
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鹵素燈泡與鎢絲燈泡基本構造幾乎是一樣的，其中最大的差別在於?
鹵素燈含有鹵族元素氣體
鹵素燈是利用紫外線發光
鹵素燈是利用化學成分發光
鹵素燈是裝入氮、氬等不燃燒氣體
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CFL燈泡內，當兩種元素被激發，發光過程就此展開。請問是哪兩種元素?
氬與汞
氮與汞
氬與鉛
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請問LED燈泡的「發光二極體」是用哪兩種型的半導體?
P型和N型
P型和M型
B型和M型
B型和N型
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請問LED燈的長腳應該接電池的哪一極?
正極
負極
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請問LED燈的短腳應該接電池的哪一極?
正極
負極
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