in a dc motor we supply current only to the armature
conductors,from where is the field winding gets excited then??
Answer Posted / k.prakashchandra
Let us not forget about permanent magnet motors which are
usually very small
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
What current flows in the transformer primary when its secondary is open?
how to avoid Saturation in C.T?
Why armature rheostat is kept in maximum position?
The power supplied to a 33microF capacitor from a 120V, 60Hz source will be
with help of neat sketch explain principle of TIG welding process
How halogen & merquery lamp works.
How do we calculate over and under frequency tolerance from generator data?
what reason of line current and phase current in star connection and line current and phase current not equal in delta connection?
can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...
advantage and disadvantage of team work?
What is polar plot?
use of choke in APFC panels
Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?
what is meant by impedance & transient protection?
On 400 amp factory load how kvarh capacitors provide