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MCQ Practice Question
Measurements & InstrumentationInstrument Characteristics

Hysteresis in an instrument means that, for the same input, the output may depend on?

  • AWhether the input was approached from increasing or decreasing direction
  • BOnly the power-supply frequency
  • COnly the display color
  • DThe number of terminals
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Correct Answer: A. Whether the input was approached from increasing or decreasing direction
Explanation: Hysteresis causes different indications for the same input depending on the previous direction of input change.
Reference: Standard measurements and instrumentation: instrument characteristics
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