♡ 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 purpose of providing dummy coils in ...
➣ in comparison to saint and compound motors, ...
➣ the speed of a DC shunt motor ...
➣ it is advisable to start a DC ...
➣ in a DC machine for the same ...
➣ the Interpol air gap is _______ that ...
➣ the self induced EMF in the coil ...
➣ the function (s) of the pole shoes ...
➣ the commutator pitch for simplex wave winding ...
➣ to have sparkless commutation, dharmik reaction effect ...
❖ Take a qick MCQ Test on
➤ Basic Electronics Engineering
➤ DC Machines
➤ Analog Electronics
➤ Electromagnetic Field Theory
➤ Electrical Energy Utilisation and Electric Traction
➤ Transformers
➤ Miscellaneous
➤ Control System