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Fav十万个为什么
为什么电话机能将声音传递到远方？
电话机能将声音传递到远方，主要是因为声音转化为电信号、电信号的传输以及电信号还原为声音的过程。
1、声音转化为电信号：当发话者对着电话机说话时，声波使送话器内的振动膜片振动，通过电磁感应原理，将声波转化为相应的电信号。
2、电信号的传输：生成的电信号通过电话线路传输到远方。这一过程中，电信号以电流的形式在导线中传播，确保信号能够长距离传递。
3、电信号还原为声音：接收方的电话机接收到电信号后，通过听筒中的电磁装置将电信号还原为声波，从而实现声音的还原和传递。
总结：电话机能将声音传递到远方，主要是因为声音转化为电信号、电信号的传输以及电信号还原为声音的过程。
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