Practice Problem: A lamp has a 0.5 A current flowing through it. It operates with a potential difference of 12 V. How much power does it use?

Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?

True or false: the revolution of the earth creates day and night as it rotates around the sun

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final