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Physics · PYQ NEET UG 2024

हिन्दी

A \( 10\text{ }\mu\text{F} \) capacitor is connected to a \( 210\text{ V}, 50\text{ Hz} \) source as shown in figure. The peak current in the circuit is nearly (\( \pi = 3.14 \)):

Question diagram
  1. A
    \( 1.20\text{ A} \)
  2. B
    \( 0.35\text{ A} \)
  3. C
    \( 0.58\text{ A} \)
  4. D
    \( 0.93\text{ A} \)
View Answer & Solution

Correct answer · Option D

\( 0.93\text{ A} \)

Explanation

Capacitive reactance \( X_C = \frac{1}{2\pi f C} = \frac{1}{2 \times 3.14 \times 50 \times 10^{-5}} \approx 318.47\text{ }\Omega \).\nRMS current \( I_{rms} = \frac{V_{rms}}{X_C} = \frac{210}{318.47} \approx 0.659\text{ A} \).\nPeak current \( I_0 = \sqrt{2} I_{rms} \approx 1.414 \times 0.659 \approx 0.93\text{ A} \).
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