The wires of a toaster carry electrical current between the electrical outlet and the toaster. The wires inside the toaster also carry electrical current. During its operation, the wires inside the toaster get hot enough to glow, yet the wires to the outlet do not. List some factors that might determine how hot a wire will get when it conducts electricity.

The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.