Physics · Control Systems
In an electrical control system, an armature-controlled DC motor is often used as an actuator. Which of the following statements about this system is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Torque developed is directly proportional to the armature current.✓
- 2Speed is independent of armature voltage.
- 3Back emf is inversely proportional to speed.
- 4Torque developed is directly proportional to the field current.
Correct answer
Torque developed is directly proportional to the armature current.
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