Q122 / 180 · KCET 2019 · Physics

The number of turns in a coil of Galvanometer is tripled, then

  • A
    Both voltage and current sensitivity remains constant
  • B
    Voltage sensitivity increases \( 3 \) times and current sensitivity remains constant
  • C
    Both voltage and current sensitivity decreases by \( 33 \% \)
  • Correct answer
    D
    Voltage sensitivity remains constant and current sensitivity increases \( 3 \) times

Solution

(D)
\[ \frac{\theta}{I}=\frac{N A B}{C} \]

Hence, the correct answer is option: 'D'.

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