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Because of the chemicals and metals which are used to make it, a battery can only produce dc (direct current).

For the same reason a battery cannot produce ac (alternating current) on its own, but it can be connected to another device, which is called an invertor, to produce ac for use by devices which require ac instead of dc.

Many of the devices and other pieces of equipment to which a battery can be connected will only work on direct current (such as, for example, car starter motors) but some things (such as light bulbs) can work on either dc or ac.

Some batteries are rechargeable but they cannot be recharged using ac . That is why all battery chargers which are designed to plug into house ac power sockets must convert the ac to dc.

For more information please see the answers to the Related Questions shown below.

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12y ago
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13y ago

The term DC or direct current is really a little misleading, However DC refers to the potential difference in an electrical charge from positive + to negative -. In the case of direct current the current is constantly from positive to negative or in one direction so to speak. In the case of an alternating current the current is constantly changing direction from positive to negative to positive to negative and so forth.

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Q: Why direct current is called direct current?
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Related questions

Is the continuous flow of charge in a circuit called direct current?

Direct Current


Changing alternating current to direct current is called?

Rectification


Current that doesnt reverse direction is called?

direct current


What is a current consisting of charges that flow only in one direction called?

A Direct Current or DC direct current is a current consisting of charges that flow only in one direction.


What is cardioversion also called?

direct current.


A circuit carrying current in one direction is called a?

Direct current circuit.


What is the current called?

flow of charge


What device has the ability to change direct current to alternating current?

It's called an inverter.


Current in which electrons flow in the same direction is called?

It's alternating current


What is called as Alternating current to Direct current converter?

A diode or rectifier converts AC to DC.


What is the definition of direct current?

(a) A current flowing in one direction only; -- distinguished from alternating current. When steady and not pulsating a direct current is often called a continuous current. (b) A direct induced current, or momentary current of the same direction as the inducing current, produced by stopping or removing the latter; also, a similar current produced by removal of a magnet.


What is a constant flow of electric charges called?

DC or direct current