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What is the resonant frequency of a parallel RLC circuit if R is 4.7 kilohms, L is 2 microhenrys and C is 15 picofarads?
29.1 MHz
Resonant frequency (fr) of a parallel RLC circuit (assuming high Q) is fr = 1 / (2π√(LC)). With L=2µH and C=15pF, fr = 1 / (2π√(2e-6 × 15e-12)) ≈ 29.058 MHz.
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