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五常(電)

Authored by Sin Hau

Education

1st - 6th Grade

Used 6+ times

五常(電)
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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

Media Image

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

Media Image

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

Media Image

燈泡是應用了電的光效應。

正確

不正確

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

電鈴能響起來是應用了電的____效應。

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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