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What is the resonant frequency of a series RLC circuit, if R is 47 ohms, L is 4 microhenrys and C is 8 picofarads?
28.1 MHz
Resonant frequency (fr) of a series RLC circuit is fr = 1 / (2π√(LC)). With L=4µH and C=8pF, fr = 1 / (2π√(4e-6 × 8e-12)) ≈ 28.136 MHz.
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