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Question

When the number of turns in a moving coil galvanometer is doubled, what happens to its voltage sensitivity?


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Solution

  1. The deflection caused in the galvanometer coil when a unit potential difference is applied across it, is known as voltage sensitivity.
  2. We can say that the voltage sensitivity is directly proportional to the number of turns in a coil.
  3. When the number of turns in a coil in a moving coil galvanometer is doubled, the voltage sensitivity of the galvanometer also gets doubled.

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