There is a 25% discount on all electrical goods until the end of the week.
An unexpected surge in electrical power caused the computer to crash.
These are the electrical connectors, cased in waterproof plastic.
The illustrative example relates to a power distribution system and would be a natural topic for electrical engineering students.
A popular example of an analog model is the use of electrical circuit models of mechanical systems.
Then, after considering that the mechanical dynamics dominates the electrical one, model (16) can easily be obtained and expressed as a matrix equation like (5).
