what happens when we give ac supply to the dc motor?and why?

Answer Posted / rajesh

when an ac is given to a dc machine ,current under north or
south poles change their direction 100 times per second
so ,ideally it should move to and fro motion continously
which may cant work practically

Is This Answer Correct ?    4 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)

1435


What is the difference between amorphous core transformer and CRGO core transformer?.

3170


impliment (AB)`+C to transistor representation

1335


A well system is when , no. of bus bar is less or more. Tell me the concept of it.

1451


what is the need of starter in tube light and what type of starter is used in that?

1513






WHAT IS THE FAULT WHEN 100HP TURBINE MOTOR TRIPS, LIST THE FAULTS AND ITS TRABULESHOOTING TIPS.. MY AUTO TARNSFORMER STARTER TRIPS

1624


Anyone who can recommend an equivalent to Envirotemp FR3 of Cooper?

1504


what causes contact chatter when there is no demand on the air conditioning unit?

1615


difference between crane drive and line drive.

1400


volts=230 c=10mf a=??

1578


defination of transistor controlled series capacitor

2201


1.how many types of relays? 2.difference between ATS& STS?

1655


What is meant by coupling capacitor?

649


what is differentila pilot supervision in the incomer control panel in the power station?

1625


HOW TO CALCULATE AMPs OF CURRENT TRANSFORMER IN HT Panel

1802