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![]() napisa³ w wiadomo¶ci ... Szczepan Bialek wrote: In AC electrons oscillate. In DC electrons are flowing for ages. Where they come from? No; in AC electrons periodically change directions and in DC electrons flow in one direction only. An antenna is a device that converts the electromagnetic energy which antenna intercepts into AC electrical energy at it's terminals. A diode converts AC into DC. The crystal radio antenna has only one terminal. Before the diode is AC. After the diode is DC. Where electrons come from? S* |
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