To protect most of the electrical equipment handling low power, the types of relays used are______________?
Correct answer: C. both (A) and (B)
- A. thermocouple
- B. electronic and bimetallic
- C. both (A) and (B)
- D. none of the above
Explanation
Low-power electrical equipment commonly uses electronic, bimetallic and thermocouple-based protective relays. Thus both listed groups are included in the available choices.
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