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  2. Topic
    Computing
  3. Study Set
    DC Motor
  4. Exam
    Exam 3: D.C. Motors and Speed Control
  5. Question
    In Case the Back E
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In Case the Back E

Question 2

Question 2

Multiple Choice

In case the back e.m.f. and the speed of a D.C. motor are doubled, the torque developed by the motor will


A) remain unchanged
B) reduce to one-fourth value
C) increase four folds
D) be doubled

Correct Answer:

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