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The reason for having a large number of turns in the coil of a moving...

Physics
WAEC 2022

The reason for having a large number of turns in the coil of a moving coil galvanometer is to--------

  • A. make the deflection of the needle proportional to the current
  • B. increase the sensitivity of the galvanometer
  • C. decrease the magnetic flux produced by the magnet
  • D. make the permanent magnet stronger
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Correct Answer: Option B
Explanation

Sensitivity of a galvanometer increases when number of turns, area of coil and magnetic field increase

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WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709