
電磁作用是非題02
Quiz
•
Science
•
6th Grade
•
Practice Problem
•
Easy
勁男 李
Used 3+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
磁力線的範圍是指磁鐵的磁力作用範圍。
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
以長條形磁鐵的 S 極靠近懸吊磁鐵的 S 極,懸吊的磁鐵會被吸引。
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
懸吊的磁鐵在沒有其他外力作用或磁鐵、鐵製品靠近的情形下,靜止後的指向會和指北針的相同。
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
蝙蝠是利用體內的奈米級磁性粒子來辨別障礙物位置,所以能在漆黑的山洞裡快速移動。
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
電磁鐵 N、S 極的位置和電池正、負極的方向有關。
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
指北針的指針會受到鐵製品的吸引而轉動,表示指北針的指針是具有磁性的。
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
取一個長條形鐵棒取代長條形磁鐵懸吊起來也可以當作簡易的指北針。
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