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28 天
蚂蚁庄园今日答案:一度电能让一只25瓦的灯泡工作多久?令人惊讶 ...
也就是说,25瓦的灯泡每小时需要消耗25瓦特(即0.025千瓦)电力。 接下来,我们可以通过下面的公式来计算: [ ext{使用时间} = \frac{\text{一度电}}{\text{功率(千瓦)}} ] 代入我们的数值: [ ext{使用时间} = \frac{1 ext{ kWh}}{0.025 ext{ kW}} = 40 ext{ 小时} ] 由此可见 ...
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