♡ 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 👍 :1.8K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ the sparking at the brushes, in a ...
➣ accumulative compound DC motor runs at 1500 ...
➣ the air gap between the yolk and ...
➣ the coil span ...
➣ the DC motor, which can provide zero ...
➣ to have sparkless commutation, dharmik reaction effect ...
➣ the ventilating ducts in most of the ...
➣ Pole shoe of a DC machine is ...
➣ "A time varying flux causes an induced ...
➣ speed of a DC motor is ...
❖ Take a qick MCQ Test on
➤ Electrical Machine Design
➤ Transformers
➤ Synchronous Machines
➤ Electromagnetic Field Theory
➤ Electrical and Electronic Instrumentation
➤ Power Electronics
➤ Electrical Energy Utilisation and Electric Traction
➤ Miscellaneous