In aircraft electrical systems, which statement is true about DC generators and alternators?

In aircraft electrical systems, which statement is true about DC generators and alternators?

• A. A DC generator produces DC directly; an alternator produces AC which is rectified to DC by rectifiers; modern aircraft typically use engine-driven alternators.
• B. A DC generator produces AC directly; an alternator produces DC directly.
• C. DC generator and alternator both produce DC without rectification.
• D. Alternator produces DC directly and requires no rectification.

Answer: (A)