Units, definitions and simple electrical circuits. Series and parallel connections. Voltage and current division. Circuit analysis techniques. Superposition theorem. Thevenin’s and Norton’s theorems. Inductance and capacitance. Analysis of source-free RL and RC circuits. The application of unit-step forcing functions to RL and RC circuits. Analysis of source-free RLC circuits. The complete response of RLC circuits. The sinusoidal forcing function. The phasor concept. The phasor relationships for R, L and C. Impedance and admittance. The sinusoidal steady state response. Circuit analysis using matlab and SPICE.