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MCQ Practice Question
Measurements & InstrumentationIndustrial Instrumentation

For a linear 4-20 mA transmitter calibrated for 0-100 °C, an output of 12 mA corresponds to?

  • A25 °C
  • B50 °C
  • C75 °C
  • D100 °C
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Correct Answer: B. 50 °C
Explanation: 12 mA is halfway between 4 and 20 mA, so it represents 50% of span, or 50 °C.
Reference: Standard measurements and instrumentation: industrial instrumentation
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