計器初級技能試験問題
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電筆は220VACと24VDCを区別できますか？
これは選択問題で、答えは「できる」となっていますが、どうやって測定すればいいのかわかりません
もし2つの電源を渡してくれて、1つが220VACでもう1つが24VDCだとはっきり教えてくれて、普通のテスターで区別させてくれるなら、それは可能です。ただ単に測定するだけなら、それは無理です。
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