Discuss the factors which affect the current sensitivity of a moving coil galvanometer 

Discuss the factors which affect the current sensitivity of a moving coil galvanometer 

The factors which affect the current sensitivity of a moving coil galvanometer  include

  • Strength of magnet, current sensitivity is proportional to the strength of the magnets
  • Number of turns, current sensitivity is proportional to the number of turns
  • Nature of suspension torsion wire, current sensitivity is inversely proportional to the torsion constant of the suspension torsion wire.
  • Area A of the plane of the coil; current sensitivity is proportional to the area of the plane of the coil
  • Size of copper wire making the coil; current sensitivity is proportional to the size of copper wires making the coil since the bigger the wires the lower the resistance.

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