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This unit deals with fundamentals of electricity and electromagnetism such as Definition of Current and its unit Meaning of DC and AC Definition of conductors, insulators and semiconductors with examples Definition of Voltage, potential difference, EMF, power and energy Resistance and its unit Ohm’s Law: statements, equations, applications and limitations Circuit conditions: open, close and short circuit, Resistances in series and parallel Simple problems on ohms law Simple problems on resistances in series and parallel Definition and units of magnetic field, magnetic flux, reluctance, mmf, flux density, permeability, absolute and relative permeability Faraday’s laws of electromagnetic induction Statically induced emf and dynamically induced emf Self and mutual induced emf Self and mutual inductance