電磁鐵練習題庫02
Quiz
•
Instructional Technology
•
1st - 5th Grade
•
Practice Problem
•
Medium
陳俊明 陳俊明
Used 9+ times
FREE Resource
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30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小玲分別將磁鐵棒的兩端靠近指北針，磁鐵棒和指北針的指針會出現同極相斥，異極相吸的現象。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
不論在臺灣還是日本，我們可以觀察到指北針都會指向北方。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
只要將磁鐵棒靜置在桌上，磁鐵棒的兩端就會指向南、北方。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
手電筒的裝置裡有應用到電磁鐵原理。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
指北針平放在通電的電線之下，電線與指北針的南北方重疊，此時我們可以依據指北針指針偏轉的角度大小來判斷電流的大小。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以通電電磁鐵的一端靠近指北針S極，會發生相斥而讓指針偏轉，改變電流方向後，再將電磁鐵的同一端靠近指北針S極，則會相吸而不偏轉。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
磁鐵和電磁鐵都具有N極和S極，也都具有固定的磁力。
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