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MCQ Practice Question
Measurements & InstrumentationAnalog Instruments

The scale of a PMMC instrument is approximately?

  • AUniform
  • BHighly logarithmic
  • CSquare-law crowded at upper end
  • DIndependent of current
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Correct Answer: A. Uniform
Explanation: Because deflection is proportional to current, a PMMC instrument has an approximately uniform scale.
Reference: Standard measurements and instrumentation: analog instruments
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