LINK / CITE ADD TO WORD LIST. noun. The definition of a site is an area where something is built or to be built or a location where a historic or important event took place. 1  An example of a site is the land you buy where your new house will sit.
Electric current can flow through a continuous path which can also  be described as a closed circuit. Conversely, any break or opening  in a circuit is called an open circuiâ¦t. Charges can only flow  through a closed circuit.
The opening of the switch forms the arc, but it is the arc which enables the circuit to be interrupted. A switch or circuit interruption device which is intended to open alternating current (AC) circuits has a somewhat easier chore than its DC counterpart.