Flow chart & Program for CAAD of choke coil Line to Line & Double Line to Ground Fault On Power System Finite difference method for charge calculation Half wave control rectifier with RL load Pipeline & Nonpipeline Processor AC Supply system, Comparison Between AC-DC System, Advantage HV transmission Lap winding for AC machine Frequency spectrum of periodic signal.. Divergence Theorem & Maxwell’s First Equation Solar Dryer & Solar Distillation Parallel Adder and Subtractor 
