In cases where dampers are released by an electric device, the electric circuit operating same must be normally closed.
There's a reservoir below into which they drop when the electric circuit is broken.
The gas is ignited by means of an electric spark which is produced between the two parts A and B of an electric circuit.
The ground completes the electric circuit which passes through the body.
It is not a very easy task to explain precisely what happens to an electric circuit when the current is turned on suddenly.
An electric circuit could not have more speedily roused the town.
The moment he appears, the electric circuit is closed and the quiescent state ceases.
The electric circuit is comprised of a battery and two keys.
To illustrate how this is accomplished, let us imagine an electric circuit as represented in Fig. 268.
The induction of a vibrating magnet upon an electric circuit.