Automatic Control Systems

Which of the following can be used as a rotating amplifier in a control system?

  1. Amplidyne
  2. Separately excited dc generator
  3. Synchro
  4. Self excited dc generator
  • A. 3 and 4
  • B. 1 and 2
  • C. 1, 2 and 3
  • D. All
Answer: Option B.

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