♡ 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
➣ the main factor that leads the unstable ...
➣ when electric train is moving towards a ...
➣ if the flux of a DC motor ...
➣ an exciter for turbo generator is a ...
➣ armature of DC machine is made of ...
➣ the speed of a DC shunt motor ...
➣ For electromechanical energy conservation, a magnetic field ...
➣ in case of conductively compensated DC series ...
➣ the dummy coils in DC machines are ...
➣ the internal characteristic of a DC generator ...
❖ Take a qick MCQ Test on
➤ Induction Machines
➤ Digital Electronics
➤ Communication Systems
➤ Electrical and Electronic Instrumentation
➤ Power Electronics
➤ Transmission and Distribution of Electrical Power
➤ Basic Electronics Engineering
➤ DC Basics and Networks