Radio Amateur Quiz Canadian License

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Question A-001-005-008

What is the Q of a parallel RLC circuit, if it is resonant at 3.625 MHz, L is 3 microhenrys and R is 2.2 kilohms?

Correct Answer

32.2

Explanation

For a parallel RLC circuit, Q = R / (2πfL). Q = 2200 / (2π × 3.625×10^6 × 3×10^-6) ≈ 2200 / 68.3 ≈ 32.2.

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