♡ 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
➣ reluctance torque in rotating machines is present, ...
➣ The induced EMF in the armature conductor ...
➣ in DC machines, the air gap flux ...
➣ with the supply terminals of a DC ...
➣ deficiency of a DC motor wonderwall paying ...
➣ For electromechanical energy conservation, a magnetic field ...
➣ stray losses are sum of ...
➣ to have sparkless commutation, dharmik reaction effect ...
➣ which of the following DC motors, phone ...
➣ the series field of a short shunt ...
❖ Take a qick MCQ Test on
➤ DC Machines
➤ Basic Electronics Engineering
➤ Electrical Power Generation and Economic Consideration
➤ Electrical Engineering Material
➤ Electrical Machine Design
➤ Miscellaneous
➤ Digital Electronics
➤ Microprocessors