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Which of the following statements is incorrect? The sensitivity of a galvanometer which incorporates an...

Physics
JAMB 1979

Which of the following statements is incorrect? The sensitivity of a galvanometer which incorporates an optical lever arrangement may be increased by providing

  • A. a larger number of turns in the coil
  • B. a thinner suspension with a small torsional control
  • C. a special alloy permanent magnet which gives a high magnetic flux
  • D. all of the above
  • E. a light source with a greater intensity
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Correct Answer: Option E
Explanation

A light source with a greater intensity. While it can improve visibility, it does not affect the sensitivity of the galvanometer

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