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20151202 今日の問題

2015-12-02View Original

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20151202 毎日一題に参加すると1~3点の報酬がもらえ、正解すると5点、正解してさらに分析を加えると8~10点の報酬がもらえます。220/380Vという電圧の名称は何でしょう?( ) A.定格電圧 B.公称電圧 C.平均電圧 D.最大電圧 正解はBです
Reply #22015-12-02
220/380Vの電圧の名称は何ですか?(B)
Reply #32015-12-02
220/380Vの電圧の名称は何ですか?(B.定格電圧)
Reply #42015-12-02
B 名目電圧、別名電圧の実効値
Reply #52015-12-06
220/380Vの電圧の名称は何ですか?( a) A.定格電圧

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