Question

Which of the following is an example of increasing energy efficiency?Question 13 options:A nuclear power plant that stores its radioactive waste more safely than an older powerplantA compact fluorescent light bulb that uses less energy than a regular incandescentlight bulbWalking to work instead of driving a carTurning off the lights when no one is in the room instead of leaving all the lights on

Answer 1

Energy efficiency means using less input energy and producing same output energy.

A regular incandescent light bulb uses input energy to produce the same output as the compact fluorescent light bulb.

Thus, using a compact fluorescent light bulb instead of regular incandescent bulb is an example of energy efficiency.