Electrical Circuits

The interconnection of various electric elements in a prescribed manner comprises as an electric circuit in order to perform a desired function. The electric elements include controlled and uncontrolled source of energy, resistors, capacitors, inductors, etc. Analysis of electric circuits refers to computations required to determine the unknown quantities such as voltage, current and power associated with one or more elements in the circuit. To contribute to the solution of engineering problems one must acquire the basic knowledge of electric circuit analysis and techniques. Many other systems, like communication systems, control systems, magnetic and power system are easy to analyze and model by electrical circuits. To learn how to analyze the models of these systems, first one needs to learn the theorems and techniques of circuit analysis. We shall discuss briefly some of the basic circuit elements and advanced analysis techniques that help us to develop the background of the subject.