A person wants to compare the energy efficiency of two light bulbs. Light bulb A has an energy input of 100 units of energy and an energy output of 50 units of energy. Light bulb B has an energy input of 100 units of energy and an energy output of 80 units of energy. Which light bulb is more energy efficient?

Question

A person wants to compare the energy efficiency of two light bulbs.  Light bulb A has an energy input of 100 units of energy and an energy output of 50 units of energy.  Light bulb B has an energy input of 100 units of energy and an energy output of 80 units of energy.  Which light bulb is more energy efficient?

anonymous · Answer

oh i dont like hba he is almost worse then you

hba · Answer

This is not a bio question my friend :) Please post your question in the appropriate portion. If you are still not sure, Please check the CoC- http://openstudy.com/code-of-conduct

anonymous · Answer

well im sorry they dont have anything for physical science which is what im doing

hba · Answer

Better post it in physics then :)