♡ 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 👍 :3.8K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ the purpose of providing dummy coils in ...
➣ reluctance torque in rotating machines is present, ...
➣ the DC motor most suitable for applications ...
➣ the sparking at the brushes, in a ...
➣ the DC compound motors are generally ...
➣ if the back EMF in a DC ...
➣ a DC motor devolves the maximum mechanical ...
➣ in a DC machine, the space waveform ...
➣ the function (s) of the pole shoes ...
➣ a generator may loose residual magnetism due ...
❖ Take a qick MCQ Test on
➤ Power Electronics
➤ Miscellaneous
➤ Analog Electronics
➤ Electronic and Electrical Measurements and Instruments
➤ Electrical Energy Utilisation and Electric Traction
➤ Electromagnetic Field Theory
➤ Electrical and Electronic Instrumentation
➤ DC Basics and Networks