首页
/
每日頭條
/
科技
/
30瓦的燈一天多少度電
30瓦的燈一天多少度電
更新时间:2025-05-01 11:48:31

0.72度。1000瓦*1小時=1度;30瓦*1小時=0.03度;0.03度*24小時=0.72度。W=P*t=30W*3600s=108000J=0.03kwh=0.03度電/每小時。

“度”是日常生活中對電能的計量單位的簡稱,1度=1kW.h(千瓦時),千瓦時是電功的單位,符号:kW-h,計算公式為功率乘以時間。

Comments
Welcome to tft每日頭條 comments! Please keep conversations courteous and on-topic. To fosterproductive and respectful conversations, you may see comments from our Community Managers.
Sign up to post
Sort by
Show More Comments
Copyright 2023-2025 - www.tftnews.com All Rights Reserved