What is static electricity?

Static electricity refers specifically to the electric charge that accumulates on non-conductive surfaces due to the process of friction. This phenomenon typically occurs when two materials are in contact and then separated, allowing for an exchange of electrons. As a result, one surface becomes positively charged while the other becomes negatively charged.

Understanding static electricity is crucial, particularly in the field of aircraft electronics, as it can lead to problems such as electromagnetic interference or damage to sensitive components. In this regard, the fundamental behavior of static charge accumulation on non-conductive materials is key to preventing disruptions in the functioning of electronic systems in aircraft.

The other options describe different electrical concepts, such as electric charge on conductive surfaces, the flow of current in circuits, and the movement of electrons generating electrical energy. While they are related to the broader field of electricity and electronics, they do not specifically define the nature of static electricity as it pertains to friction and non-conductive materials.