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1112-L2-加深加廣-省電燈泡比一比

Authored by Kyle Cheng

Science

6th - 8th Grade

Used 1+ times

1112-L2-加深加廣-省電燈泡比一比
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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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