It is true that eating a diet rich in fresh fruits and vegetables, whole grains and lean meat are good ideas. But this isn't new information. This is what doctors and health experts have been recommending for years. The clean eating diet goes further encouraging the use of only organic products.
The circuit is called 'closed' when the current flows in the circuit, and when the current does not flow, it is called an 'open circuit'. The switch or key helps to make or break the circuit, i.e. switches on or switches off the current. Sub Topics. 1  Components of An Electric Circuit.  Series and Parallel Circuits.
Switch, isolating-A switch intended for isolating an electrical circuit from the source of power. It has no interrupting rating and is intended to be operated only after the circuit has been opened by some other means. Switch, knife-A switch in which the circuit is closed by a moving blade engaging contact clips. Switch, motor-circuit-A switch, rated in horsepower, capable of interrupting the maximum operating overload current of a motor of the same horsepower rating as the switch at the rated voltage.