♡ 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 👍 :2.6K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ the commutator of a DC motor serves ...
➣ Pole shoe of a DC machine is ...
➣ it is advisable to start a DC ...
➣ a DC series motor must not be ...
➣ the air gap between the yolk and ...
➣ the armature MMF of a DC machine ...
➣ the fall in speed of a DC ...
➣ the DC compound motors are generally ...
➣ width of a carbon brush should be ...
➣ to have sparkless commutation, dharmik reaction effect ...
❖ Take a qick MCQ Test on
➤ DC Basics and Networks
➤ AC Basics and Networks
➤ Analog Electronics
➤ Digital Electronics
➤ Switchgear and Protection
➤ Control System
➤ Transformers
➤ Electrical Installation and Wiring