Unit I : Electromagnetism Review : Resistance, emf, current, potential, potential difference and Ohm’s law. Electromagnetism : Magnetic effect of an electric current, cross and dot conventions, right hand thumb rule, nature of magnetic field of long straight conductor, solenoid and toroid. Concept of mmf, flux, flux density, reluctance, permeability and field strength, their units and relationships. Simple series magnetic circuit, Introduction to parallel magnetic circuit(Only theoretical treatment), comparison of electric and magnetic circuit, force on current carrying conductor placed in magnetic field, Fleming’s left hand rule. Faradays laws of electromagnetic induction, Fleming’s right hand rule, statically and dynamically induced e.m.f., self and mutual inductance, coefficient of couplings. Energy stored in magnetic field. (Chapters - 0,1) Unit II : Electrostatics and AC Fundamentals A) Electrostatics. Unit III : Single Phase AC Circuits Study of AC circuits consisting of pure resistance, pure inductance, pure capacitance. Unit IV : Polyphase A.C. Circuits and Single Phase Transformers A) Polyphase A.C. Circuits. Unit V : DC Circuits Classification of electrical networks, Energy sources. Unit VI : Work, Power, Energy and Batteries A) Work, Power, Energy : Effect of temperature on resistance, resistance temperature coefficient, insulation resistance, conversion of energy from one form to another in electrical, mechanical and thermal systems. B) Batteries.
