A textbook for a course covering direct current in one term and alternative current in a second, for students studying to become electronics technicians. Focuses heavily on applications and trouble shooting. Nicely laid out with color used throughout, though the printing is uneven and some pages are barely legible. Published in 1983 and 1990 by Merrill Publishing, and in 1993 by Prentice-Hall. Annotation c. by Book News, Inc., Portland, Or.