The battery as we know it today was an invention of Italian chemist and physicist Alessandro Volta. He witnessed electricity splitting water into its constituent elements of oxygen and hydrogen and ...
When it comes to charging electric vehicles (EVs), two primary methods are commonly used: Alternating Current (AC) and Direct ...
家庭用コンセントに挿して使う扇風機といえばAC(交流)モーターですが、最近は事情が変わっています。人気を集めているのはDC(直流)モーターを搭載した扇風機、通称「DCモーター扇風機」です。 DCモーター扇風機が人気の理由は3つ。「静粛性」と ...