By enrolling in this self-study course, you have demonstrated a desire to improve yourself and the Navy. Remember, however, this self-study course is only one part of the total Navy training program. Practical experience, schools, selected reading, and your desire to succeed are also necessary to successfully round out a fully meaningful training program. COURSE OVERVIEW: Subjects of alternating current, inductance, capacitance, inductive and capacitive reactance, and transformers are presented to give the student background information on topics that may be encountered in daily work.