天气预报 > 生活 > 晚上开着灯睡觉费电吗
晚上开着灯睡觉费电吗
更新时间: 2021-03-16 04:02:36  

1、假设灯是60W的,开8小时。算式:60W*8/1000=0.48度。每度电0.5元,就是0.24元钱。

2、看起开钱不多,但是,从健康角度讲,房间是亮的,对睡眠不利。从环保角度讲,大家都开灯睡觉,浪费的电就多了,不节能、不环保。

关键词: 晚上 睡觉

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