Topics Covered

Units, DC sources, resistance and conductance, Ohm's law, power  and energy, series and parallel circuits, Kirchhoff's laws, Mesh and Nodal analysis, Y-Delta Conversion, Circuit theorems, Electrical field, Capacitors, Magnetic Circuits, Inductance, Transient analysis of R-C and R-L circuits with DC excitation.  Circuit variables and elements: Voltage, current, power, energy, independent and dependent sources, resistance. Basic laws: Ohms law, Kirchoffs current and voltage laws. Simple resistive circuits: Series and parallel circuits, voltage and current division, wye-delta transformation. Techniques of circuit analysis: Nodal and mesh analysis including supernode and supermesh. Network theorems: Source transformation, Thevenins, Nortons and superposition theorems with applications in circuits having independent and dependent sources, maximum power transfer condition and reciprocity theorem. Energy storage elements: Inductors and capacitors, series parallel combination of inductors and capacitors. Responses of RL and RC circuits: Natural and step responses. Magnetic quantities and variables: Flux, permeability and reluctance, magnetic field strength, magnetic potential, flux density, magnetization curve. Laws in magnetic circuits: Ohms law and Amperes circuital law. Magnetic circuits: series, parallel and series-parallel circuits.