交流と電磁波
Authored by Noriaki Kobashi
Physics
9th Grade
Used 13+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
流れる向きと大きさが周期的に変化する電流を何という？
交流
直流
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
流れる向きが変わらない電流を何という？
直流
交流
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
交流で1秒間にくり返す電流の変化の回数を何という？
周波数
振幅
往復数
周回数
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
周波数の単位は何と読む？
ヘルツ
オーム
アンペア
ボルト
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
最大値は？
①
②
③
④
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
実効値は？
①
②
③
④
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
周期は？
①
②
③
④
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