康軒版六上 4-3電磁鐵的應用-20題QUIZIZZ平時測驗題
Quiz
•
Physics
•
6th Grade
•
Practice Problem
•
Easy
WU CHENG TA
Used 32+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
燦燦可以用什麼東西檢驗電磁鐵是否具有磁性?
石頭
木棒
紙張
鐵棒
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一組電磁鐵裝置的磁力最強?
吸起3根迴紋針者
吸起4根迴紋針者
吸起5根迴紋針者
吸起6根迴紋針者
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
除了線圈數之外,其他因素都相同的各組電磁鐵中,哪一組電磁鐵的磁力最強?
線圈數10圈
線圈數30圈
線圈數50圈
線圈數100圈
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列生活用品中,何者不是電磁鐵的應用?
電話機
磁吸式門擋
馬達
磁浮列車
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
輝太郎把電磁鐵中使用一段時間的電池更換成全新的,會發生什麼變化?
磁力減弱
磁力增加
磁力消失
磁力不變
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
生活中,哪一種器具沒有應用電磁鐵?
洗衣機
電話
電風扇
釘書機
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當電磁鐵的電池漸漸沒電時,電磁鐵會發生什麼現象?
磁力增強
磁力漸漸消失
N、S極顛倒
沒有任何改變
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