An instrument transformer is used to extend the range of______________?
Correct answer: A. induction instrument
- A. induction instrument
- B. electrostatic instrument
- C. moving coil instrument
- D. any of the above
Explanation
Current and voltage instrument transformers, such as CTs and PTs, extend the usable range of AC instruments, including induction-type instruments. An electrostatic instrument normally uses capacitive arrangements rather than an instrument transformer for range extension.
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