_______________is an open loop control system?
Correct answer: B. Field controlled D.C. motor
- A. Ward Leonard control
- B. Field controlled D.C. motor
- C. Stroboscope
- D. Metadyne
Explanation
A field-controlled DC motor can operate as an open-loop system when its speed is controlled by changing field current without measuring the output speed. Ward-Leonard arrangements are commonly used with feedback for regulation.
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