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Sensitivity of galvanometer is defined as

Correct answer: A. The deflection produced per unit microampere current

  • A. The deflection produced per unit microampere current
  • B. The deflection per force
  • C. Force per unit area
  • D. None of them

Explanation

The correct answer is Option A: The sensitivity of a galvanometer is defined as the deflection produced per unit microampere of current. This indicates how responsive the galvanometer is to small currents, which is crucial for accurate measurements. Option B is incorrect because it incorrectly associates sensitivity with force, not current. Option C describes pressure, not relevant to galvanometer sensitivity. Option D is incorrect as Option A provides the correct definition.

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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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