Active and passive elements, Ideal and practical sources , V-I Characteristics of R.L,C elements , Kirchhoff's law, Mesh and nodal analysis, super mesh, super node.
Magnetic Circuits : Basic definitions, Analogy between electric and magnetic circuit, Magnetization characteristics of ferromagnetic materials, Self-inductance and mutual inductance, Energy in linear magnetic system, Coils connected in series attracting force, Concept of coupling and dot convention.

Principle of AC voltages, wave forms and basic definitions, relationship between frequency and wavelength, root mean square and average values of alternating current and voltage, form factor and peak factor, phasor representation of Alternating Quantities, the j operator, phasor algebra, analysis of AC circuits with single basic network element, single phase series circuits , single phase parallel circuits, single phase series parallel circuits, power in AC circuits.

Super position theorem , Thevenin's and Norton's theorem , Maximum power transfer theorems, Tellegan's Theorem , Millman's Theorem.

principles of operations , Construction of transformer, Ideal transformer , practical transformer , Losses of transformer , transformer testing, efficiency, regulation calculations,
Direct Current Machines : principle of operation of DC machines, armature windings, EMF equation & torque equations, torque production in a DC machine, operation of a DC machine as a generator, operation of a DC machine as a motor, losses, efficiency.

Single Phase Induction Motor principle of operation, types of single-phase induction motor and working,
Three Phase Induction Motor : principle of operation, production of rotating magnetic field, slip and rotorfrequency, torque, losses and efficiency.