In a battery-charging alternator, which part acts as the stationary conductor?

In a battery-charging alternator, the stationary conductor is the stator. The stator is a crucial component that houses the windings of wire and remains fixed while the rotor, which is located inside the stator, spins. As the rotor turns, it generates a magnetic field that induces an electrical current in the stator's windings through electromagnetic induction. This process converts mechanical energy into electrical energy, which is then used to charge the battery or power electrical systems.

The rotor typically acts as the moving component that generates the magnetic field, while the commutator is mainly used in DC generators and motors to switch the direction of the current in the windings, rather than serving the role of a stationary conductor in an alternator. Additionally, the battery is an energy storage device and not involved in the conduction of electricity in the context of being a conductor. Therefore, the stator is correctly identified as the part that acts as the stationary conductor in a battery-charging alternator.