Work done is considered to be energy in scientific terms. Energy is defined as the work done against the forces acting in a system. Depending upon the sources of force production, energy is classified into various categories.

Electricity is the one thing that is running our world from top to down these days. Every small instrument that we use today to ease our lifestyle has to consult with electricity somehow.

Electricity is a great invention and today everything depends on the electric power and in the absence of power for even a single minute.