The armature voltage control of D.C. motor provides Options: A . &nbspConstant torque drive B . &nbspConstant voltage drive C . &nbspConstant current drive D . &nbspNone of the above

The armature voltage control of D.C. motor provides

Question

The armature voltage control of D.C. motor provides

Options:

A . Constant torque drive

B . Constant voltage drive

C . Constant current drive

D . None of the above

Answer: Option A

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Question 1. Starters are used with D.C. motors because....

Question 2. If I2 be the armature current, then speed of a D.C. shunt motor is....

Question 3. In case of D.C. shunt motors the speed is dependent on back e.m.f. only because....

Question 4. A direct on line starter is used: for starting motors....

Question 5. The ratio of starting torque to full-load torque is least in case of....

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Question 8. A D.C. series motor is that which....

Question 9. Sparking at the commutator of a D.C. motor may result in....

Question 10. For which of the following applications a D.C. motor is preferred over an A.C. motor?....

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