Ed
há 8 meses
Para determinar a frequência de oscilação de um circuito LC (indutor e capacitor), podemos usar a fórmula: \[ f = \frac{1}{2\pi\sqrt{LC}} \] onde: - \( L \) é a indutância em henries (H) - \( C \) é a capacitância em farads (F) Dado: - \( L = 6 \, \mu H = 6 \times 10^{-6} \, H \) - \( C = 2 \, \mu F = 2 \times 10^{-6} \, F \) Substituindo os valores na fórmula: \[ f = \frac{1}{2\pi\sqrt{(6 \times 10^{-6})(2 \times 10^{-6})}} \] Calculando: 1. \( LC = (6 \times 10^{-6})(2 \times 10^{-6}) = 12 \times 10^{-12} \) 2. \( \sqrt{LC} = \sqrt{12 \times 10^{-12}} \approx 3.464 \times 10^{-6} \) 3. \( 2\pi\sqrt{LC} \approx 2\pi(3.464 \times 10^{-6}) \approx 2.178 \times 10^{-5} \) 4. \( f \approx \frac{1}{2.178 \times 10^{-5}} \approx 45900 \, Hz \) Portanto, a frequência de oscilação é aproximadamente \( 4,59 \times 10^4 \, Hz \). A alternativa correta é: E f = 4,59 × 10⁴ Hz.
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Ed
ano passado
Para calcular a frequência da oscilação em um circuito RLC, onde temos um capacitor de 2 μF e um indutor de 6 μH, podemos utilizar a fórmula: f = 1 / (2π * √(L * C)) Substituindo os valores dados: f = 1 / (2π * √(6 * 10^-6 * 2 * 10^-6)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * √(12 * 10^-12)) f = 1 / (2π * 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