for preparing for licensing exams, previous editions of this guide have been prized by thousands of students and professionals for the book's uniquely thorough coverage, ranging from dc and ac concepts and circuits to semiconductors and integrated circuits. Packed with more than 500 learning-enhanced illustrations, practical examples, and self-quizzes and tests, this matchless reference: * Helps you solve current-voltage-resistance-impedance problems and make power calculations * Teaches simple circuit design and optimization of circuit efficiency * Explains the theory behind advanced audio systems and amplifiers for live music * Features practical new information on wireless technologies, computers, the Internet, and more

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