♡ 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 number of parallel paths for a ...
➣ the slight curvature at the lower end ...
➣ number of tappings to each equaliser ring ...
➣ when ADC communicative compound wound motor is ...
➣ the armature MMF of a DC machine ...
➣ reluctance torque in rotating machines is present, ...
➣ aluminium is not used as winding wire ...
➣ the horsepower obtained from the motor shaft ...
➣ The generator ________ has the poorest voltage ...
➣ the fall in speed of a DC ...
❖ Take a qick MCQ Test on
➤ Digital Electronics
➤ DC Machines
➤ Electrical Engineering Material
➤ Power Electronics
➤ Analog Electronics
➤ Miscellaneous
➤ Transformers
➤ Electrical and Electronic Instrumentation