Description:Concept of e.m.f., p,d.; and Current Resistance; Effect of Temperature on Resistance. Resistance temperature Coefficient; Insulation Resistance; S.I. Units of Work; Power and Energy Conversion of Energy from One Form to Another in Electrical; Mechanical and Thermal Systems. Batteries and Cells; Their Types; Current Capacity and Cell Ratings; Charging and Discharging of Batteries; Series and Parallel Battery Connections; Maintenance Procedure. Classification of Electric Networks; Ohms Law; Kirchhoff’s Laws and Their Applications for Networks Solutions Simplification of Networks Using Series and Parallel Combinations and Star-Delta Transformation; Superposition Theorem; Thevenins Theorem; Nortons Theorem and Maximum Power Transfer Theorem