Which energy transformation happens in a drill when it operates?

In the operation of a drill, the primary energy transformation that occurs is from electrical energy to kinetic energy. When the drill is powered on, it uses electrical energy to generate rotational movement. This rotational movement is what drills into materials, such as wood or metal, demonstrating the transformation of electrical energy into kinetic energy.

While kinetic energy does generate heat due to friction during the drilling process, the transformation that occurs when the drill is operating primarily involves converting electrical energy to kinetic energy, as the drill's primary function is to create motion. This is why the selection indicating the transformation of kinetic to thermal energy is relevant but does not capture the main energy transformation at play during the drilling itself. The other options do not apply to the operation of a typical electric drill since they refer to different types of energy sources not involved in this context.