
s2_chp8.1-8.3_test_A_chi

Quiz
•
Science
•
8th - 9th Grade
•
Medium
Steven Wong
Used 8+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下哪些電器應用電流的磁效應來運作?
電熨斗
電風扇
揚聲器
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪個有關導電體及絕緣體的組合是不正確的?
玻璃棒、純水
金幣、紙袋
鹽水、塑膠間尺
金屬萬字夾、木湯匙
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電路中各個電路元件一般都具有電阻。電流通過電路元件時,部分電能會轉換成
化學能。
勢能。
熱能。
聲能。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
燈泡是一種能量轉換器。
T
F
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪種電器不是應用電流的熱效應運作的?
電熨斗
揚聲器
電水煲
風筒
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪項關於安培計的敍述是正確的?
它容許電流通過。
它與電池接駁時,兩端應橫跨電池。
它可用來控制電流的大小。
它可防止電器過熱。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪個物件是導電體?
棉線
銅線
橡皮圈
木牙籤
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