Apply: Short circuits can be avoided using fuses, devices that melt if too hot. Set up the circuit shown to the right, and turn the switch ON. What happens? What happens when a short circuit is created? How does a fuse make the circuit safer?

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?