Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / buddhadev dewasi (imps college
AC stands for alternate current, DC stands for direct
current. Alternate current alternates between positive and
negative and the number of times it does per minute is
called cycles. Depending on the number of poles in the
motor, the speed is constant. Where as in a DC drive, the
speed control is simple, by introducing a resistance.
| Is This Answer Correct ? | 5 Yes | 3 No |
Post New Answer View All Answers
How DC earth leakage currents can be reduced ?
we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?
how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt
What are the reasons for the parallel operation of transformers?
Explain the operation of grid connected central solar inverter ?
Hello Friends, How can we recognize the CT Star Point is S1 or S2 in case of Electro Mechanical Relays and what is meant by Restraining coil in relays and what is the purpose of that.. thank you in advance..
if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?
what is x'mer ,isolation x'mer & yltra-isolation x'mer?????
how a flip flop can be used as a latch?
how to design step down 12 V, 1mA small transformer from 220 V AC? Because according to VI relation and power transfer it results bulky...
do we use links in a dc circuit?if so what s its use in it?
How REF protects transformer alone? explain with diagram.
Why Utility Distribution System in India is mainly at 11 kV? Why not Utility go for 33 kV?
th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.
Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks
