♡ Login
Home
Previous Papers
★
MCQs
Electrical Engineering
DC Machines
improve commutation in DC machines cannot be ...
Que.
improve commutation in DC machines cannot be achieved by
A.
use of interpoles
B.
using brushes at high resistivity
C.
increasing reactance voltage
D.
decreasing reactance voltage
Right Answer is :
✓ C. increasing reactance voltage
⚑ Report
Views 👍 :2.3K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ in a DC machine the sparking between ...
➣ a DC motor devolves the maximum mechanical ...
➣ in a DC motor, the shaft torque ...
➣ speed of a DC motor is ...
➣ "A time varying flux causes an induced ...
➣ width of a carbon brush should be ...
➣ this is and motors are used for ...
➣ the self induced EMF in the coil ...
➣ the ventilating ducts in most of the ...
➣ in case of DC motor, maximum mechanical ...
❖ Take a qick MCQ Test on
➤ Miscellaneous
➤ Synchronous Machines
➤ Electrical Machine Design
➤ Switchgear and Protection
➤ Transformers
➤ Communication Systems
➤ AC Basics and Networks
➤ Control System