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It is much more efficient to transmit AC over long distances.
Because using Transformers you can convert to very high voltages, and then power transmission then involves much lower currents, so that losses in the transmission line I2R are much reduced. You cannot easily and efficiently convert DC to high voltages.
Wiki User
∙ 12y ago
Wiki User
∙ 10y agoAC can be transformed. That means that a transformer can step up the voltage of a power supply such as a generating station to some very high voltage for long distance transmission at very low currents. This allows very small losses due to wire resistance. Then the voltage can be stepped down to lower voltages for actual use. Hence the transformer boxes you see along the side of the road in residential neighbourhoods.
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What devices can be used to block DC and pass AC?
simple capacitor can do this job (to block dc and pass ac).
Are diodes only used in a dc circuit?
There are lots of diodes - a "diode" is simply a device that has two electrical connections.If you refer specifically to the rectifying diode, it is used to convert AC current to DC current - so, it is used in a circuit that has BOTH AC and DC.
Does a generator produce ac or DC voltage?
NO, generator always generating AC current,when commutator is used,at that time AC is converted in DC.and due to this generator is called dc generator.
What is the output voltage of megger is it ac or DC?
megger are available in ac &dc
What is the difference while applying kcl to dc and ac circuits?
KCL is Common to both AC and DC. Only the waveform or AC and DC will differ
Who is bigger acdc or kiss?
That is a matter of personal preference, they have sold more albums/CD's than KISS.
Is commutator used for both ac to dc and dc to ac conversion?
Yes
What is a DC AC inverter used for?
A DC/AC power inverter is used to convert DC, the power that comes from a car's battery, into AC, the kind of power that is supplied to a home and used to power larger electronics.
Which diode are usd are rectifying ac into DC?
Junction diodes are used for rectifying ac into dc.
Why is AC used?
The power source is AC. Hence AC is used. DC application is limited.
How do you build a dc to dc converter?
A DC to DC converter is basically a type of switching power supply. The switcher converts the input DC to AC. A transformer is used to convert the AC to the desired voltage. A rectifier, filter, and optional regulator is used to convert the AC back to DC.
Where would DC be used instead of AC?
DC is used for extra-high voltage transmission systems, as there are less losses with DC than with AC, and no synchronising problems.
What devices can be used to block DC and pass AC?
simple capacitor can do this job (to block dc and pass ac).
Is DC or AC used to light a light bulb in the home?
AC...
What is the Purpose of an ac welder?
It produces alternating current AC. It is cheaper to build than a DC or an AC - DC welder. Most electrodes can be used with DC. Some can be used for both. Very few are AC only. DC produces a smoother arc, is easier to strike an arc and most machines in industry are DC. Surprisingly a lot of AC machines are on farms as they were cheaper to buy.
Will an AC electric motor run on DC?
No ... AC means Alternating Current - DC means Direct Current. DC is used mostly for electronics and for voltages within our vehicles. AC is used for motors and for our household appliances and lamps.
Why commutator are not used in ac motors?
Because, the commutator segments are used for converting AC to DC.
