How will you Physically differentiate A.C and D.C motor?

Answer Posted / abhishek kumar

In all dc motors
there is a
commutator
found for
operation.but ac
motors have no
comttr foun for
its work.

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Difference between RCCB, RCBO and ELMCB.

3579


A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.

923


What is core CT & it's function?

1664


what is the common earth

633


Salient pole alternator is more stable, why?

2087






Motor,transformers,capacitor tubelight etc....

1219


Which material is used for the core of a transformer and why?

613


How we calculat the NGR of 3phase Generator, Our generation voltage 11KV

2889


What is meant by turbo alternators?

658


Explain what cmos is and its benefits?

658


how open delta PT works & what is its construction?

1765


In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?

1233


hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.

1547


A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?

1368


CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor

1208