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 mag
- D. make the permanent magnet stronger
Correct Answer: B. increase the sensitivity of the galvanometer
Explanation
Sensitivity of a galvanometer increases when number of turns, area of coil and magnetic field increase
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