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CUET · PHYSICS · PYQ PAPER 2025

Voltage sensitivity of a moving coil galvanometer doesn't depend on :

  1. A Magnetic field
  2. B Number of turns of the coil
  3. C Resistance of the coil
  4. D torsional constant of the spring
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Answer & Solution

Correct Answer

(C) Resistance of the coil

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Detailed explanation

The voltage sensitivity \(\left( S _{ v }\right)\) of a moving coil galvanometer is defined as the deflection per unit voltage applied across its terminals. It is given by the formula: \(S_V=\frac{\theta}{V}=\frac{N A B}{k R}\)
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