An unbroken conducting path for an electric current.
A device for receiving and storing up electrostatic energy.
The full period of reversal of an alternating current. A 60-cycle current is one making 60 complete reversals per second.
An instrument for detecting oscillations in the aerial of a receiving station. It either varies its own internal resistance or generates a weak intermittent direct current similar in time and duration with the signals emitted by the transmitting station.
A non-conductor or insulator. It usually refers to the material interposed between the oppositely charged coatings of a condenser.
A current flowing in one direction only.
The terminal of an open electric circuit or a conductor carrying a current and immersed in an electrolyte.
The separation of a chemical compound into its elements by the action of an electric current.
A solution which will conduct a current of electricity.
A mass of iron which is magnetized by the passage of a current of electricity through a coil of wire wound around the mass and insulated therefrom.