♡ 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
➣ the reactance voltage is ...
➣ the armature MMF waveform of a DC ...
➣ the Interpol air gap is _______ that ...
➣ the DC motor, which can provide zero ...
➣ with the increase in the field excitation ...
➣ For electromechanical energy conservation, a magnetic field ...
➣ the dummy coils in DC machines are ...
➣ under commutation results in ...
➣ in case of DC motor, maximum mechanical ...
➣ to have sparkless commutation, dharmik reaction effect ...
❖ Take a qick MCQ Test on
➤ Electrical Installation and Wiring
➤ Communication Systems
➤ Induction Machines
➤ Digital Electronics
➤ AC Basics and Networks
➤ Transmission and Distribution of Electrical Power
➤ Electromagnetic Field Theory
➤ Power Electronics