<DIV>我想問住九龍區一個10w既 <a rel="nofollow" class=liveword title=燈泡 href="http://hk.knowledge.yahoo.com/question/question?qid=7011031001482#" target='_blank'>燈泡</A>一日開10小時<BR>每日要用幾多錢 <a rel="nofollow" class=liveword title=電費 href="http://hk.knowledge.yahoo.com/question/question?qid=7011031001482#" target='_blank'>電費</A>?<BR></DIV>
By meko mo (middle-school student) on 2011-03-11 Answers 2 Views 107
By OMNI電達人 (pupil) on 2011-10-04
計電費可以試下 http://www.omni-hk.com/cal.php
By sammi ho (graduate) on 2011-03-11
1度電=1Kwh,即係1小時用1000W,10W用10小時即係100W,100W=0.1度電,中電大約1元1度,所用既電費係大約1毫子.
