The unit of electrical capacity. A condenser having a capacity of one farad would be raised to a potential of one volt by one ampere flowing for one second.
The space which is under magnetic stress in the neighborhood of a magnet or a wire carrying a current.
A coil of heavy wire which furnishes the inductance for the closed oscillation circuit of a wireless transmitter and acts as an auto-transformer to raise the voltage of the high frequency currents.
The unit of induction. It is the induction in a circuit when the electromotive force induced in this circuit is one volt, while the inducing current varies at the rate of one ampere per second.
The property of an electric circuit whereby lines of force are developed around it.
An instrument or device consisting of two independent coils of wire wound around an iron core, and which by magnetic induction steps up an intermittent direct current from a low to a high voltage.
A non-conductor or a substance impervious to the passage of electricity.
A device for making and breaking a current into periods corresponding to the dots and dashes of the telegraph code.
1,000 watts. See watt.
A static condenser which will store up static electricity and is cylindrical in form. So-called because it was originated in Leyden, Holland.