... identical electrical components. For example, resistors produced from the same manufacturing process can vary in value by as much as 20%. Therefore, in creating an electrical ... instrumentation systems are good examples because in the transmission of information, or data, via electric signals, the power available at the transmitter or detector is limited. Thus, transmitting ... they are concerned with the generation, transmission, and distri-bution of large quantities of electric power. If a power utility system is inefficient, a large percentage of the power generated...