What is the kilowatt-hour consumption?

[charmcaster.engg]

What is the kilowatt-hour consumption of a 40 W lamp if it remains on for 1750 h?

 

[davenn]

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]

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.