Electrical Terms

Electric current in which the flow of electric charge periodically reverses direction whereas in direct current dc also dc the flow of electric charge is only in one direction the abbreviations ac and dc are often used to mean simply alternating and direct.

Electrical terms. Electricity glossary and terms. It is widely used to transport power on power lines. Ampere a or amp unit of electrical current. A glossary of electrical terms become an electrician electricians are skilled tradespeople working in a variety of different residential and industrial settings.

Polarity a collective term applied to the positive and negative ends of a magnet or electrical mechanism such as a coil or battery. Apparent power is the product of the rms voltage and the rms current. Ampere the ampere is the standard unit of measure of electric current. Glossary of electrical terms.

Electrical terms for mathematical calculations apparent power measured in volt ampers va. This article seeks to clarify some elementary electrical terms and concepts that are sometimes confused. Alternating current ac the type of mains electricity used in the uk having a cyclical current waveform. Normally used in uk houses at 240v rms alternating at 50 times per second 50 hertz.

Power the rate at which electrical energy is transferred by an electric circuit. Pole one or two points of a magnet at which its magnetic attraction is concentrated. Polarity a collective term applied to the positive and negative ends of a magnet or electrical mechanism such as a coil or battery. Ac alternating current.

Adapter a cord or block style device with different ends that allows different devices to connect. Either how much electricity an appliance will use or a circuit fuse mcb cable connectors etc can handle. It is sometimes written as amp.