一功耗1000W,电压为180V的负载,应按第( )种方案选择功率表量限来测量该负载功率。A.5A,

一功耗1000W,电压为180V的负载,应按第( )种方案选择功率表量限来测量该负载功率。A.5A,150V B.5A,300V C.10A,150V

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