What does the term "alternator" translate to in German?

The term "alternator" translates to "Wechselstromgenerator" in German because it specifically describes a device that generates alternating current (AC). The prefix "Wechsel" in German means "alternating," which is essential to understanding the function of an alternator, as it produces AC as opposed to direct current (DC). Additionally, the word "Generator" indicates that it is a machine that generates electrical energy. Thus, "Wechselstromgenerator" accurately captures both the operational characteristic of generating AC and the nature of the device as a generator.

The other options represent different types of electrical devices: "Generator" broadly refers to any device that generates electricity, but does not specify the type of current. "Stromwandler" refers to a current transformer, which changes the current level but is not an alternator. "Transformator" is the German word for transformer, which is a device that alters the voltage of AC, but does not produce electricity like an alternator does.