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The sensitivity of a moving galvanometer is given by

Correct answer: A. Zero

  • A. Zero
  • B. \( \frac{cAN}{B} \)
  • C. \( \frac{C}{BAN} \)
  • D. \( \frac{ABC}{C} \)

Explanation

The sensitivity (\(S\)) of a moving coil galvanometer is determined by the formula:\[ S = \frac{BAN}{C} \]Where:- \(B\) = magnetic field strength- \(A\) = area of the coil- \(N\) = number of turns in the coil- \(C\) = control torque or couple per unit twist.This option aligns with the correct formula for the sensitivity of a moving coil galvanometer.### Correct Answer:(a) \( \frac{BAN}{C} \)

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Magnetic flux density and magnetic flux describe the strength of a magnetic field and the field passing through a surface. A charged particle moving through a magnetic field experiences a force perpendicular to its velocity and may follow circular or helical motion, depending on the angle between velocity and field.

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