♡ 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
➣ which of the following are the variable ...
➣ which of the following is not a ...
➣ the fall in speed of a DC ...
➣ for parallel operation, the dc generators normally ...
➣ which of the following DC generator will ...
➣ the sparking at the brushes, in a ...
➣ in case of DC motor, maximum mechanical ...
➣ in electromechanical energy conservation device(e.g. generators and ...
➣ the self induced EMF in the coil ...
➣ armature of DC machine is made of ...
❖ Take a qick MCQ Test on
➤ Power Electronics
➤ AC Basics and Networks
➤ Analog Electronics
➤ Switchgear and Protection
➤ Communication Systems
➤ Microprocessors
➤ Electronic and Electrical Measurements and Instruments
➤ Electrical Energy Utilisation and Electric Traction