将两只相同的灯泡并联后接在电压为3V的电源上,电流为2A,如果两只灯泡改为串联仍接在原电源上,则电流强度为甲乙两个形状和体积完全相同的长方体,他们的长宽厚之比为a:b:c=3:2:密度
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![将两只相同的灯泡并联后接在电压为3V的电源上,电流为2A,如果两只灯泡改为串联仍接在原电源上,则电流强度为甲乙两个形状和体积完全相同的长方体,他们的长宽厚之比为a:b:c=3:2:密度](/uploads/image/z/10552320-0-0.jpg?t=%E5%B0%86%E4%B8%A4%E5%8F%AA%E7%9B%B8%E5%90%8C%E7%9A%84%E7%81%AF%E6%B3%A1%E5%B9%B6%E8%81%94%E5%90%8E%E6%8E%A5%E5%9C%A8%E7%94%B5%E5%8E%8B%E4%B8%BA3V%E7%9A%84%E7%94%B5%E6%BA%90%E4%B8%8A%2C%E7%94%B5%E6%B5%81%E4%B8%BA2A%2C%E5%A6%82%E6%9E%9C%E4%B8%A4%E5%8F%AA%E7%81%AF%E6%B3%A1%E6%94%B9%E4%B8%BA%E4%B8%B2%E8%81%94%E4%BB%8D%E6%8E%A5%E5%9C%A8%E5%8E%9F%E7%94%B5%E6%BA%90%E4%B8%8A%2C%E5%88%99%E7%94%B5%E6%B5%81%E5%BC%BA%E5%BA%A6%E4%B8%BA%E7%94%B2%E4%B9%99%E4%B8%A4%E4%B8%AA%E5%BD%A2%E7%8A%B6%E5%92%8C%E4%BD%93%E7%A7%AF%E5%AE%8C%E5%85%A8%E7%9B%B8%E5%90%8C%E7%9A%84%E9%95%BF%E6%96%B9%E4%BD%93%EF%BC%8C%E4%BB%96%E4%BB%AC%E7%9A%84%E9%95%BF%E5%AE%BD%E5%8E%9A%E4%B9%8B%E6%AF%94%E4%B8%BAa%EF%BC%9Ab%EF%BC%9Ac%3D3%EF%BC%9A2%EF%BC%9A%E5%AF%86%E5%BA%A6)
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