阿Q吧 > 当加在用电器上的电压低于额定电压时,用电器的实际功率还等于额定功率吗?

当加在用电器上的电压低于额定电压时,用电器的实际功率还等于额定功率吗?

2025-03-15 01:24:26
推荐回答（1个）
回答1：

功率等于实际电压的平方除以电阻,用电器电阻不变,实际电压小于额定电压,实际功率也就小于额定电压.看来物理没白学

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