电吹风工作原理电吹风如图所示,R1,R2是发热电阻丝,M是电动机.开关S闭合后,S2接1,2时吹冷风,通过电动机的电流为0.1A;S2接2,3时吹温风,R1阻值为110欧.S2接3,4时吹热风,电吹风的总功率为1100W.电源
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![电吹风工作原理电吹风如图所示,R1,R2是发热电阻丝,M是电动机.开关S闭合后,S2接1,2时吹冷风,通过电动机的电流为0.1A;S2接2,3时吹温风,R1阻值为110欧.S2接3,4时吹热风,电吹风的总功率为1100W.电源](/uploads/image/z/3776574-30-4.jpg?t=%E7%94%B5%E5%90%B9%E9%A3%8E%E5%B7%A5%E4%BD%9C%E5%8E%9F%E7%90%86%E7%94%B5%E5%90%B9%E9%A3%8E%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2CR1%2CR2%E6%98%AF%E5%8F%91%E7%83%AD%E7%94%B5%E9%98%BB%E4%B8%9D%2CM%E6%98%AF%E7%94%B5%E5%8A%A8%E6%9C%BA.%E5%BC%80%E5%85%B3S%E9%97%AD%E5%90%88%E5%90%8E%2CS2%E6%8E%A51%2C2%E6%97%B6%E5%90%B9%E5%86%B7%E9%A3%8E%2C%E9%80%9A%E8%BF%87%E7%94%B5%E5%8A%A8%E6%9C%BA%E7%9A%84%E7%94%B5%E6%B5%81%E4%B8%BA0.1A%EF%BC%9BS2%E6%8E%A52%2C3%E6%97%B6%E5%90%B9%E6%B8%A9%E9%A3%8E%2CR1%E9%98%BB%E5%80%BC%E4%B8%BA110%E6%AC%A7.S2%E6%8E%A53%2C4%E6%97%B6%E5%90%B9%E7%83%AD%E9%A3%8E%2C%E7%94%B5%E5%90%B9%E9%A3%8E%E7%9A%84%E6%80%BB%E5%8A%9F%E7%8E%87%E4%B8%BA1100W.%E7%94%B5%E6%BA%90)
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