Basic Electrical Engineering - Electrical Engineering (MCQ) questions and answers for Q. 9045

Q.  If the armature current of dc series motor has become twice then the torque will become
- Published on 02 Sep 15

a. Twice of the former
b. Four times of the former
c. One fourth of the former
d. Remains same

ANSWER: Four times of the former
 

    Discussion

  • Gajendra    -Posted on 10 May 23
    T proportional to K(phi)(I)
    If I double phi also double
    T become 4 times

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