最終更新日：2024/07/28
(physics) a simple device that detects the presence of an electric charge by the mutual repulsion of metal foils or pith balls
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electroscope
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(physics) a simple device that detects the presence of an electric charge by the mutual repulsion of metal foils or pith balls
electroscope
DiQt（ディクト）
無料
★★★★★★★★★★
