Current is _____________.

The concept of current in electrical terminology is defined as the flow of electric charge. More specifically, it refers to the movement of electrons through a conductor, such as wires in an RV's electrical system. When we refer to current, we are often considering how many electrons are flowing through that conductor at any given time. This is typically measured in amperes (amps).

Understanding that current is about the movement allows RV technicians to troubleshoot electrical systems effectively, determining if there are shorts, open circuits, or overloads based on the flow of current.

The other options focus on different aspects of electricity. Electrical pressure, or voltage, describes the force that pushes current through a circuit but does not define current itself. Opposition to electrical flow refers to resistance, which is a separate concept critical for understanding how much current can flow based on the materials involved in the circuit. Lastly, measuring neutrons does not apply to current as neutrons are neutral particles found in atomic nuclei and do not contribute to electric current. Therefore, recognizing that current explicitly refers to the flow of electrons is fundamental in understanding electrical principles in RV systems.