♡ 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 👍 :2.1K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ which of the following DC generator will ...
➣ the coil span ...
➣ the DC motor most suitable for applications ...
➣ when the mechanical power developed by a ...
➣ the dummy coils in DC machines are ...
➣ The principle of dynamically induced EMF is ...
➣ a generator may loose residual magnetism due ...
➣ in a DC motor, the shaft torque ...
➣ to have sparkless commutation, dharmik reaction effect ...
➣ Pole shoe of a DC machine is ...
❖ Take a qick MCQ Test on
➤ Transformers
➤ Electrical Machine Design
➤ Control System
➤ Synchronous Machines
➤ Electromagnetic Field Theory
➤ Microprocessors
➤ DC Machines
➤ Electrical Engineering Material