♡ 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
➣ in a DC motor, energy conservation wound ...
➣ a DC motor devolves the maximum mechanical ...
➣ what are slot wedges in a DC ...
➣ the main factor that leads the unstable ...
➣ in a DC machine, the space waveform ...
➣ in a DC machine, the actual flux ...
➣ if the back EMF in a DC ...
➣ the self induced EMF in the coil ...
➣ the commutator pitch for simplex wave winding ...
➣ the slight curvature at the lower end ...
❖ Take a qick MCQ Test on
➤ DC Basics and Networks
➤ Electrical Engineering Material
➤ Microprocessors
➤ Electrical Energy Utilisation and Electric Traction
➤ Switchgear and Protection
➤ Electrical Power Generation and Economic Consideration
➤ Electromagnetic Field Theory
➤ Control System