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Physics · JEE | Alternating Current

हिन्दी

Calculate the capacitive reactance of a \( 10\text{ }\mu\text{F} \) capacitor connected to a \( 50\text{ Hz} \) ac source (use \( \pi = 3.14 \)):

  1. A
    \( 79.5\text{ }\Omega \)
  2. B
    \( 159\text{ }\Omega \)
  3. C
    \( 636\text{ }\Omega \)
  4. D
    \( 318\text{ }\Omega \)
View Answer & Solution

Correct answer · Option D

\( 318\text{ }\Omega \)

Explanation

Capacitive reactance \( X_c = \frac{1}{2\pi f C} = \frac{1}{2 \times 3.14 \times 50 \times 10 \times 10^{-6}} \approx 318\text{ }\Omega \).
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