The capacity for work or vigorous activity; vigor; power. The capacity of a physical system to do work. energy. The capacity or power to do work, such as the capacity to move an object (of a given mass) by the application of force. Energy can exist in a variety of forms, such as electrical, mechanical, chemical, thermal, or nuclear, and can be transformed from one form to another.
Freebase (0.00 / 0 votes) Rate this definition: Switch. In electrical engineering, a switch is an electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another.
A switch is a simple device that has two states-on and off-just like a light switch. Switches come in a variety of different shapes and sizes and are operated in different ways.Usually this is through a push motion but you can also buy switches that you grasp, pull, suck or even blink into.The most common type of switch is the jelly bean switch (pictured). There is a selection of switches and some video examples of their operation on my switch hardware page.sually this is through a push motion but you can also buy switches that you grasp, pull, suck or even blink into. The most common type of switch is the jelly bean switch (pictured). There is a selection of switches and some video examples of their operation on my switch hardware page.