♡ 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
➣ this is and motors are used for ...
➣ the commutator of a DC motor serves ...
➣ the DC motor most suitable for applications ...
➣ the Interpol air gap is _______ that ...
➣ a flywheel is normal fitted to ...
➣ the commutator pitch for simplex lap winding ...
➣ in a DC machine, the space waveform ...
➣ with the supply terminals of a DC ...
➣ which of the following are the variable ...
➣ when the torque of DC series motor ...
❖ Take a qick MCQ Test on
➤ Transmission and Distribution of Electrical Power
➤ Electrical and Electronic Instrumentation
➤ DC Machines
➤ Electrical Machine Design
➤ Electronic and Electrical Measurements and Instruments
➤ Switchgear and Protection
➤ Transformers
➤ Induction Machines