Unit :�1. Atom structure ,Electrical Charge and Electric current ,insulator ,semiconductor ,e.m.f. sources of e.m.f..Types of current and voltage,resistance factors affecting resistance.Temprature co-efficent of resistance inferred to absolutes zero linear and non-linear resistance.Thyrite,Thermisters, effect of light radiation,current,voltage and frequency on resistance.
Unit:-2 Ohms law,series and parallel circuits of resistances,Electrical work,electrical power,Electrical energy heating effect of electric current.Joule�s law,thermal efficiency relation between mechanical and electrical units of work,Power and energy.
Unit:-3 Primary cells,Secondary cells,dry cells,standard cells,lead acid cells ,storage batteries.Solar batteries,series and parallel combination. Grouping of cells,efficiency of cells,charging systems,Alkaline battery,Nickel-iron, Nickel-cadmimuim,silver-zink battery.
Unit:-4 Natural and artificial magnet,magnetic field, magnetic flux density,M.M.F.,magnetic field strength reluctance,permeability,magnetic field due to current through straight conductor, a circular coil,a solenoid coil,a torroidal, Right hand rule,Maxwell�s cork screw rule,B-H curve,Hysteresis loop,residual magnetic flux,relativity coersive force , effect of electromagnetic field, Series & parallel magnetic ckt. ,magnetic leakage & fringing effect. Electrical and magnetic circuit comparison.
Faraday�s laws of induced e.m.f.,Lenz�s law dynamically and statically induced e.m.f.,Flemings right hand rule and left hand rule,self inductance,mutual inductance,energy stored in magnetic field force acting on a current carrying conductors,Eddycurrents.
BOOKES FOR REFERENCE :
1.Electrical Technology By B.L.THERAJA
2.Fundamentals of Electricity By REBNARD C. GRHAM E.E.
3.Electrical Technology By EDWARD HAGES.
>2.Applied Physics - II
>3.Applied Chemistry-II
>3.Workshop Practice-II
>4.Engg. Mechanics - II
<5.Electrical Circuit - I
>6.Engg. Drawing - II
