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51问答网 > 一个3kw加热丝和一个6kw加热串联功率大还是两个3kw并联功率大点？

一个3kw加热丝和一个6kw加热串联功率大还是两个3kw并联功率大点？

2025-04-06 16:39:47

推荐回答（1个）

回答1：

2个3kw并联的方法电路总功率大
串联时，只能满足3kw的加热丝加热额定电流，此时6kw的电热丝只能满足1/2的额定电流，功率则为额定功率的1/4，电路总功率为3kW+1.5KW
并联时两个3kw都能满足额定电流，电路总功率为3kW+3KW
故并联的方法电路总功率大。

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