For first year university students of electrical and electronic engineering, and similar level qualifications such as HNC / HND This comprehensive text for courses in electrical principles, circuit theory, and electrical technology provides 800 worked examples and over 1,000 further problems for students to work through at their own pace. The new edition has been fully updated with developments in key areas such as semiconductors, transistors, and fuel cells, along with brand new material on ABCD parameters and Fourier’s analysis.