In order that an electric current can be produced in a conductor, an electric field must be built in it.
In order that an electric current can be produced in a conductor, an electric field must be built in it.
发布时间：2025-09-05 11:53:02
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由 快搜搜题库 官方老师解答 )
答案：为了在导体中产生电流，必须在导体中建立电场。
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