what will happen if dc motor given ac supply

Answer Posted / a

Nothing will happen connect a DC motor to a cycle
dynamo.when ac wave will match the motor polarity +- it
will rotate in the direction it needs to CW or CCW as soon
as the wave will change it will try to move in the other
direction hence ... givein only some viberations....

Is This Answer Correct ?    13 Yes 6 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are the characteristics of negative feedback?

611


Safety of dry type transformer

1488


If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?

1742


Why GRR starts from 60% of motor speed why not less than 60%?

748


What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.

1812






How to calculate earth wire load by formula

1966


1) why a dg set shows variation of power factor and load when synchronised with other dgs? 2)Why the load sharing is not become equal in all dgs?. 3)When a dg set will not run on auto start?

1537


why and how current drawn by battery charger depends upon the altitude where it is located?

1567


I Want randstand placement papers

1363


what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?

1903


Determine the BTU size of an aircon for 20 sq metre room

1450


What is a differential amplifier? Also, explain cmrr.

691


PIU how does work?

1988


What is the use of bundle conductors?

626


and gate circuit diagram,amplifier circuit diagram

1593