♡ 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
➣ The generator ________ has the poorest voltage ...
➣ the fall in speed of a DC ...
➣ The principle of dynamically induced EMF is ...
➣ which of the following dc generators will ...
➣ the DC motor that draws almost same ...
➣ reluctance torque in rotating machines is present, ...
➣ the direction of rotation of DC motor ...
➣ this is and motors are used for ...
➣ in a DC machine, the actual flux ...
➣ the speed of a DC shunt motor ...
❖ Take a qick MCQ Test on
➤ Synchronous Machines
➤ Communication Systems
➤ Signals and Systems
➤ AC Basics and Networks
➤ Electrical Installation and Wiring
➤ DC Basics and Networks
➤ Miscellaneous
➤ Electrical Machine Design