♡ 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 👍 :3.6K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ in a DC shunt generator, the voltage ...
➣ For electromechanical energy conservation, a magnetic field ...
➣ the slight curvature at the lower end ...
➣ if the flux of a DC motor ...
➣ the number of parallel paths for a ...
➣ with the increase in speed of DC ...
➣ the fall in speed of a DC ...
➣ which of the following are the variable ...
➣ for higher value of armature current the ...
➣ the purpose of providing dummy coils in ...
❖ Take a qick MCQ Test on
➤ Analog Electronics
➤ Microprocessors
➤ Control System
➤ Electrical Installation and Wiring
➤ Electrical Energy Utilisation and Electric Traction
➤ Miscellaneous
➤ Communication Systems
➤ Basic Electronics Engineering