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What is the resonant frequency of a series RLC circuit if R is 47 ohms, L is 50 microhenrys and C is 40 picofarads?
3.56 MHz
Resonant frequency (fr) of a series RLC circuit is fr = 1 / (2π√(LC)). With L=50µH and C=40pF, fr = 1 / (2π√(50e-6 × 40e-12)) ≈ 3.558 MHz.
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