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What is the Q of a parallel RLC circuit, if it is resonant at 14.128 MHz, L is 4.7 microhenrys and R is 18 kilohms?
43.1
For a parallel RLC circuit, Q = R / (2πfL). Q = 18000 / (2π × 14.128×10^6 × 4.7×10^-6) ≈ 18000 / 417.06 ≈ 43.16.
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