Questions LLC
Login
or
Sign Up
Ask a New Question
Calculating cost of usage
Questions (1)
8. A room has one 60 W, one 100 W, and one150 W light bulb. How much does it cost to use the all of the lamps for 2.5 hours at 9
1 answer
asked anonymously
13 views
Parent Categories (1)
Electrical Energy and Power