What is the kilowatt-hour consumption of a 40 W lamp if it remains on for 1750 h?
C charmcaster.engg Mar 20, 2014 79 Joined Mar 20, 2014 Messages 79 Jan 19, 2015 #1 What is the kilowatt-hour consumption of a 40 W lamp if it remains on for 1750 h?
davenn Moderator Sep 5, 2009 14,254 Joined Sep 5, 2009 Messages 14,254 Jan 19, 2015 #2 come on, you don't really expect us to do simple maths like that for you do you ? do the maths ... I assume you have a calculator on your computer ? Dave
come on, you don't really expect us to do simple maths like that for you do you ? do the maths ... I assume you have a calculator on your computer ? Dave
KUMARA SHP Aug 1, 2014 122 Joined Aug 1, 2014 Messages 122 Jan 20, 2015 #3 It is very basic. Look at the units. Time in hrs. Power in watts. So they ask for kwhr. You can build formula by looking at the units.
It is very basic. Look at the units. Time in hrs. Power in watts. So they ask for kwhr. You can build formula by looking at the units.