Elementary Concepts: Electric current, resistance a model for electrical, resistance, electric power, electromotive force, resistors in series and parallel.
Concept of Potential difference. Ohm’s law. SI units of work Power and Energy. Conversion of energy from one form to another in electrical and thermal systems.
-D.C. Circuits (Only Independent sources) Kirchhoff’s law, ideal and practical voltage and current sources. Mesh and Nodal analysis (Super node and super Mesh excluded). Source transformation. Star delta transformation. Superposition theorem, Thevevnins’s theorem Norton’s theorem, maximum power transfer theorem.
- A.C. Fundamentals: Sinusoidal voltage and currents, concept of cycle period, frequency, instantaneous, peak, average, r.m.s. values, peak factor , and form factor, phase difference, lagging, leading and in phase quantities and phasor representation. Rectangular and polar representation of phasors.
Study of A.C circuits of pure resistance, inductance and capacitance and corresponding voltage- current phasor diagrams, voltage – current and power waveforms.
