♡ Login
Home
Previous Papers
★
MCQs
Electrical Engineering
DC Machines
the dummy coils in DC machines are ...
Que.
the dummy coils in DC machines are useful to
A.
increase the efficiency
B.
improve the commutation
C.
reduce the cost of machine
D.
maintain mechanical balance of armature
Right Answer is :
✓ D. maintain mechanical balance of armature
⚑ Report
Views 👍 :3.3K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ the DC motor that draws almost same ...
➣ to avoid formation of grooves in the ...
➣ which of the following dc generators will ...
➣ which of the following DC generator will ...
➣ the output indicated on the nameplate of ...
➣ this is and motors are used for ...
➣ "A time varying flux causes an induced ...
➣ the fall in speed of a DC ...
➣ in DC machines the armature winding are ...
➣ welding generator will have ...
❖ Take a qick MCQ Test on
➤ Power Electronics
➤ Basic Electronics Engineering
➤ Electronic and Electrical Measurements and Instruments
➤ Microprocessors
➤ Miscellaneous
➤ Synchronous Machines
➤ Electrical Power Generation and Economic Consideration
➤ Signals and Systems