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The SI unit of galvanometer constant is C/BAN

Correct answer: D. None of these

  • A. amp/radian
  • B. N-m/sec²
  • C. N-amp/radian
  • D. None of these

Explanation

Option D is the correct answer because none of the other options accurately represent the SI unit of the galvanometer constant, which is degrees per ampere (deg/A). This unit directly reflects the relationship between the deflection angle in degrees and the current in amperes flowing through the galvanometer.

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