Practice portal › Electromagnetic Waves › Displacement Current
Asked in JEE Main 20th July 1st Shift 2021 · Capacitor on an a.c. source
C = ε₀A/d = (8.85 × 10⁻¹² × 1)/(2 × 10⁻³) = 4.425 × 10⁻⁹ F
ω = 2π × 50 = 314.2 rad s⁻¹
i_d0 = ω CV₀ = 314.2 × 4.425 × 10⁻⁹ × 20 = 2.78 × 10⁻⁵ A = 27.8 μA
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