SUppose the average efficiency of a coal-fired power plant is 40 percent and that one tonne of coal contains 7000 kilowatt hours of energy.How much coal would it take to light one 100 watt lightbulb for a full year???????????
SUppose the average efficiency of a coal-fired power plant is 40 percent and that one tonne of coal contains 7000 kilowatt hours of energy.How much coal would it take to light one 100 watt lightbulb for a full year???????????
Jay Jawan Jay Kisan Jay Shaheed
312.86 tonne?
Please try again and answer in kgs
This is matric tonne.
good try
Jay Jawan Jay Kisan Jay Shaheed