Normal Size Small Size show me how
|a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power.
|A closed path through which an electric current flows or may flow. ♦ Circuits in which a power source is connected to two or more components (such as light bulbs, or logic gates in a computer circuit), one after the other, are called series circuits.
|an electrical circuit that is not complete.
|A material or an object that conducts heat, electricity, light, or sound.
|A device used to transfer electrical energy from one circuit to another. With an alternating current, a transformer will either raise or lower the voltage as it makes the transfer.
|an electromotive force or potential difference expressed in volts.
|Kilowatt hour. ... If energy is transmitted or used at a constant rate (power) over a period of time, the total energy in kilowatt hours is equal to the power in kilowatts multiplied by the time in hours.