Effect of armature reaction can be reduced by increasing the length of air gap

Q.  The armature reaction in d.c. machine causes distortion in the main field flux. This effect of armature reaction can be reduced by
- Published on 23 Oct 15

a. Increasing the length of air gap
b. Decreasing the length of air gap
c. Increasing the number of poles
d. Decreasing the number of poles

ANSWER: Increasing the length of air gap

Related Content

 

    Discussion

  • Toka   -Posted on 30 Jul 19
    Answer should be B decreasing the length of air gap. Please check it

➨ Post your comment / Share knowledge


Enter the code shown above:

(Note: If you cannot read the numbers in the above image, reload the page to generate a new one.)
▲