This volume presents the basics of electricity and component types, and introduces students to practical work involving basic electronics. This text is intended for a wide range of introductory courses in electronics, technology, physics and engineering. The coverage includes GCSE Electronics, GCSE Design & Technology, Engineering GCSE and City & Guilds competence-based courses such as Level 2 NVQs. The author's approach is student-centred with self-test features to check understanding, including numerous activities suitable for practicals, homework and other assignments.