♡ 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
➣ in a DC machine, fractional pitch winding ...
➣ The generator ________ has the poorest voltage ...
➣ which of the following dc generators has ...
➣ poles of a DC machine are often ...
➣ in case of DC motor, maximum mechanical ...
➣ a DC motor devolves the maximum mechanical ...
➣ The principle of dynamically induced EMF is ...
➣ the fall in speed of a DC ...
➣ the teeth in the armature of a ...
➣ in a DC machine armature winding, the ...
❖ Take a qick MCQ Test on
➤ Digital Electronics
➤ Signals and Systems
➤ Electrical and Electronic Instrumentation
➤ AC Basics and Networks
➤ Synchronous Machines
➤ Induction Machines
➤ Electronic and Electrical Measurements and Instruments
➤ Transformers