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What is the resonant frequency of a parallel RLC circuit if R is 4.7 kilohms, L is 40 microhenrys and C is 6 picofarads?
10.3 MHz
Resonant frequency (fr) of a parallel RLC circuit (assuming high Q) is fr = 1 / (2π√(LC)). With L=40µH and C=6pF, fr = 1 / (2π√(40e-6 × 6e-12)) ≈ 10.274 MHz.
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