The course of Circuit Foundation is not difficult, but it's best to grasp the key points. Several theorems must be mastered, as must capacitance and inductance. Engineering will be more useful in the future.

Circuit is a book published by Higher Education Press 20 1 1. The writer is Qiu Guanyuan. This book is the fifth edition. Its main goal is to adapt to the reform of the training scheme and teaching content system of electronic and electrical information professionals and the rapid development of higher education.