♡ 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 👍 :3.4K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ the direction of rotation of a DC ...
➣ the internal characteristic of a DC generator ...
➣ with the increase in speed of DC ...
➣ the coil span ...
➣ in a lap winding DC generator, the ...
➣ the number of parallel paths for a ...
➣ the output indicated on the nameplate of ...
➣ the armature MMF waveform of a DC ...
➣ the DC motor, which can provide zero ...
➣ wave winding is employed in a DC ...
❖ Take a qick MCQ Test on
➤ Synchronous Machines
➤ Electrical Machine Design
➤ Electrical Installation and Wiring
➤ Electrical Energy Utilisation and Electric Traction
➤ Electronic and Electrical Measurements and Instruments
➤ Microprocessors
➤ Transmission and Distribution of Electrical Power
➤ Analog Electronics