扬声器的工作过程如图所示当音�电流使线圈中通过图中所示的电流时线圈受到永久磁体的吸引�左左运动当线圈中通过相反方�的电流时线圈受到 Sketch Coloring Page

扬声器的工作过程如图所示当音�电流使线圈中通过图中所示的电流时线圈受到永久磁体的吸引�左左运动当线圈中通过相反方�的电流时线圈受到 Template

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tomski扬声器的工作过程如图所示当音�电流使线圈中通过图中所示的电流时线圈受到永久磁体的吸引�左左运动当线圈中通过相反方�的电流时线圈受到 coloring

如图所示是动圈式话筒（麦克风）和扬声器（喇叭）的构造示意图，当人对着话筒说话时，产生的声音使膜片及与之相连的线圈一起振动，线圈在磁场中的这种 sketch template

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