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what can d.c. current not be used for

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17y ago

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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)


How many types of direct current and what is the frequency of direct current?

There is only one type of direct current and its 'frequency' is zero.


Direct current an electric current flowing in one direction only?

This is known as DC. Direct Current.


What is direct current stand for?

Direct current (DC) is nothing but an electric current flowing only in one direction.


Why is there a low current flow in open circuit tests?

This low current is the charging current only and this is capacitive ( i,e. leading ) in nature.


Is there any current at the input port of a ups if it is not connected to the main supply and the ups is on?

No, not at all. It will have current when it is charging only


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

A current consisting of charges that flow only in one direction is called direct current (DC). In DC, electrons flow continuously in one direction from the negative to the positive terminal of a power source.


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.


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 are the 2 types of electrical current called?

Alternating Current which reverses its direction regularly at certain intervals Direct Current flowing continuously in one direction only


Will a bell ringing transformer operate on direct current?

No. Transformers always operate only on alternating current. They will burn up on direct current. That is, if the fuse does not blow first.


Is there any other current except AC and DC?

No. Alternating Current and Direct Current are the only two types of current.