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The nature of the chemical reactions taking place in a battery cause electric current to flow only in one direction.

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How are batteries a source of direct current?

Batteries are a source of direct current because they product power (voltage and current) in only one direction.


What is variable DC supply?

Variable DC power supply is: Variable - you can adjust it DC - direct current, electrons (electricity) flows in only one direction power supply - power supply Together, it's an adjustable one-way power supply Hope you find this useful...


Did mains electricity exist in 1879?

No, there was only Direct Current from batteries but no AC electricity as we know it today.


Why does a battery have a positive and negative ends?

Because batteries only offer DC (direct current) which only flows one way


What type of current is produced by a battery?

Automotive lead acid batteries of 12 volts have six cells internally wired in series, each cell generating 2V. The positive plate is made of lead grid with a lead oxide paste coating and the negative plate is porous lead. Dilute sulphuric acid is the electrolyte. The lead acid battery produced a direct current or DC during a chemical reaction that turns lead dioxide to lead sulphate and sulphuric acid to water. During recharging the process is reversed.


What best describes a direct current?

The current produced by batteries is direct current. Electronic devices need direct current; in this case, they need a power supply (often built into the electronic device itself), that converts the alternating current, from the electric outlet, to direct current.


Which current flows in one direction only?

Direct current (DC) this is produced by for example batteries. AC alternating current changes direction on a cyclical basis and is used in power distribution and what "comes out" of the power sockets in the home.


What is current flowing in One Direction?

Direct current (DC) is the type of current that flows in one direction continuously. This is in contrast to alternating current (AC), which changes direction periodically. Examples of devices that operate using DC include batteries and solar cells.


Why UPS is not charging on Inverter?

UPS (UNINTERUPTED POWER SUPPLY ) Its charg only AC current (Alternating current). and inverter provide current DC TO AC ( Direct current to Alternating current)


What is a direct currnet?

Direct current is a flow of electricity which only goes one way. Batteries, for example, produce direct current, so the current must flow all the way through a circuit and back into the battery to work. Alternating current is what comes out of a wall outlet, and it alternates in both directions, with current flowing in and out of the outlet.


What is DC power?

Direct current (DC or "continuous current") is the unidirectional flow of electric charge. Direct current is produced by such sources as batteries, thermocouples, solar cells, and commutator-type electric machines of the dynamo type. Direct current may flow in a conductor such as a wire, but can also be through semiconductors, insulators, or even through a vacuum as in electron or ion beams. In direct current, the electric charges flow in the same direction, distinguishing it from alternating current (AC). A term formerly used for direct current was Galvanic current. Direct current may be obtained from an alternating current supply by use of a current-switching arrangement called a rectifier, which contains electronic elements (usually) or electromechanical elements (historically) that allow current to flow only in one direction. Direct current may be made into alternating current with an inverter or a motor-generator set. The first commercial electric power transmission (developed by Thomas Edison in the late nineteenth century) used direct current. Because of the advantage of alternating current over direct current in transforming and transmission, electric power distribution today is nearly all alternating current. For applications requiring direct current, such as third rail power systems, alternating current is distributed to a substation, which utilizes a rectifier to convert the power to direct current. See War of Currents. Direct current is used to charge batteries, and in nearly all electronic systems as the power supply. Very large quantities of direct-current power are used in production of aluminum and other electrochemical processes. Direct current is used for some railway propulsion, especially in urban areas. High voltage direct current is used to transmit large amounts of power from remote generation sites or to interconnect alternating current power grids.


What is a currnet?

Direct current is a flow of electricity which only goes one way. Batteries, for example, produce direct current, so the current must flow all the way through a circuit and back into the battery to work. Alternating current is what comes out of a wall outlet, and it alternates in both directions, with current flowing in and out of the outlet.