♡ 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 👍 :3.5K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ the mechanical output available at the DC ...
➣ which of the following is not a ...
➣ in a DC compound motor the field ...
➣ with the supply terminals of a DC ...
➣ the purpose of providing dummy coils in ...
➣ the direction of rotation of DC motor ...
➣ in a DC motor, energy conservation wound ...
➣ the ventilating ducts in most of the ...
➣ laminated yoke in DC motor can reduce ...
➣ the internal characteristic of a DC generator ...
❖ Take a qick MCQ Test on
➤ AC Basics and Networks
➤ Digital Electronics
➤ Electrical Installation and Wiring
➤ DC Basics and Networks
➤ Electrical and Electronic Instrumentation
➤ Electrical Machine Design
➤ Transformers
➤ Power Electronics