如图所示,是动圈式话筒构造示意图,人说话时引起膜片振动,带动线圈磁感线产生变化的感应电流,这个原理是英国物理学家�现的,它实现了将能转化为电能。 Template


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tomski如图所示,是动圈式话筒构造示意图,人说话时引起膜片振动,带动线圈磁感线产生变化的感应电流,这个原理是英国物理学家�现的,它实现了将能转化为电能。 coloring