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The two main reasons are (1) the ease and efficiency by which a.c. voltages can be changed, using Transformers, and (2) the ease and efficiency by which a.c. can be changed into d.c., using rectifiers.
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Why is AC used?
The power source is AC. Hence AC is used. DC application is limited.
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.
Does the galvanometer measures AC and DC current?
It is used to detect very small DC currents only. For AC signals Detectors are used.
Will value of J be same if ac were used instead of dc?
The number of Joules (energy) is the same as dc provided the RMS values of the ac quantities are used.
6013 can be used on AC or DC plus?
The 6013 Rod can be used on either ac or dc arc welders, at around 90-120 amps depending on your settingsTucson Direct
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.
What IS AC DC?
AnswerThere is a hard rock band called AC/DC .In electrical jargon, AC is short for alternating current and DC is short for Direct current.
