What is Direct Current? : The abbreviations AC and DC are often used to mean simply alternating and Direct current is used for some railway propulsion, especially in urban areas. HowStuffWorks Direct Current Versus Alternating Current : Transmission with high voltage direct current was not For example, a 2pole machine running at What is the difference between Alternate current and direct current : A rectifier does the opposite, changing alternating current to direct current. Some examples of direct current producing sources are batteries, thermocouples, Alternating Current vs Direct Current : Electricity surrounds us and can be used thousands of different ways. Learn about the basics of electricity, from generators and electrical circuits to voltage and Physics4Kids Electricity Magnetism Direct Current : Alternate current (AC) is the type of electricity typically used in households. Alternate current cannot stored but direct current can be stored examples in case of EET 155 Unit 3 Introduction to Alternating Current and Voltage : Electricity flows in two ways either in alternating current (AC) or in direct the magnetism along the wire steadily, scientist Nikola Tesla, used a magnet that was alternating current (AC) direct current (DC) : There are two main types of current in our world. One is direct current (DC) which is a constant stream of charges in one direction. The other is alternating current Why DC current is not used in Homes? : Direct current (DC) is current that flows in one direction only. . As mentioned in the two examples above, we write p as the subscript of a quantity or unit to show Alternating Current (AC) Electricity : Alternating current (AC) electricity is the type of electricity commonly used in homes and businesses throughout the world. While direct current Direct and Alternating Current : Direct and Alternating Current. There are two different ways that electricity is produced, and they are used in most cases for very different purposes. They can How to Convert AC to DC 6 Steps (with Pictures) : Edit Discuss. Alternating current (AC) is the most efficient way to deliver electrical power. However, most electronic devices need direct current (DC) to function. What is DC (direct current)? : Direct current is produced by electrochemical and photovoltaic cells and batteries . In contrast, the electricity available from utility mains in most countries is AC Alternating Current : This means that the direction of current flowing in a circuit is constantly being reversed back and forth. This is done with any type of AC current/voltage source.