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       䴹  ͧԴ俿ҪԴ˹觫ö¹ѧҹŷԴҡ͹ Ф͹ 繵 繾ѧҹ俿 俿Դҡͧ䴹俿ҡʵç  (Direct Current : DC)
       䴹繵ẺͧͧԴ俿 繼ŧҹͧ Michael   Faraday   ( ) ѡâͧ䴹  Ӿѧҹŷҷ颴Ǵ䴹 Դ˹ǹӷҧ俿  çѹ俿˹ǹӢ㹢Ǵǹ

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        ҷҢѡҹҡҧ׹鹤͹ҧѹ  ͧҡöѡҹͧҧ  ö¹   ö䫤 ͤԹҨͧ ҡ俷͡Ѻẵдپاѧ ѧͧѴШ (Charged) ͵ͧ¹ẵ ѧ鹨ҡѡ¹ѧҹ繾ѧҹ俿 繨ش蹢ͧ䴹֧ö㹨ѡҹ һ蹨ѡҹѧҹع䴹俿͡

 

 
 
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