♡ 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 👍 :1.3K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ armature of DC machine is made of ...
➣ the coil span ...
➣ for both lap and wave winding, there ...
➣ the self induced EMF in the coil ...
➣ For electromechanical energy conservation, a magnetic field ...
➣ reluctance torque in rotating machines is present, ...
➣ the horsepower obtained from the motor shaft ...
➣ speed of a DC motor is ...
➣ The induced EMF in the armature conductor ...
➣ in case of conductively compensated DC series ...
❖ Take a qick MCQ Test on
➤ Digital Electronics
➤ Communication Systems
➤ Electrical Machine Design
➤ Electrical Power Generation and Economic Consideration
➤ DC Machines
➤ Electrical Energy Utilisation and Electric Traction
➤ Microprocessors
➤ Basic Electronics Engineering