Solar cell generates electrical energy by using PN junction of Semiconductor material.

Electric Bulb Convert electric energy into light energy. It is a transducer. When electricity passed through its filament, It starts to glow. Works on Law of conservation of energy. We will discuss two main components Working of Tungsten Filament. Why…

Uninterrupted Power Supply It is an electrical apparatus that provides secondary power source when primary power source is down due to any reason. Prerequisite. Battery Selection.  

UPS and Battery Selection Now our environment is changing, specially in Karachi, the weather is going hotter day by day.Pakistan is facing energy shortage problem due to some of the bad government policies. Loadshedding is a big issue for Pakistani people…