In 1832, James Lindsay gave a classroom demonstration of wireless telegraphy to his students. By 1854 he was able to…

The first commercial electrical telegraph was constructed by Sir Charles Wheatstone and Sir William Fothergill Cooke and opened on 9…

Telecommunication is the transmission of signals over a distance for the purpose of communication. In modern times, this process almost…

Electric energy is produced at electric power generating stations and transported over high-voltage transmission lines to utilization points. The trend…

Circuit analysis refers to characterizing the current flowing through and voltage across every circuit element within a given circuit. Some…

As a practicing engineer, you will work on projects that require a wide range of different engineers and engineering disciplines.…

Degradation of insulating materials due to Degradation in surface quality (pollution). Excessive temperature. Partial discharge in the vacuoles (micro pockets)…

Short-circuits can be defined according to three main characteristics: – Their origin: They may be mechanical: breakdown of conductors or…

In the motoring operation the d.c. machine is made to work from a d.c. source and absorb electrical power. This…