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E5A03:What is the magnitude of the impedance of a series RLC circuit at resonance?

E5A03E5A

What is the magnitude of the impedance of a series RLC circuit at resonance?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E5A03 is Approximately equal to circuit resistance.

The key fact is Approximately equal to circuit resistance. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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More questions in E5A

E5A01What can cause the voltage across reactances in a series RLC circuit to be higher than the voltage applied to the entire circuit?E5A02What is the resonant frequency of an RLC circuit if R is 22 ohms, L is 50 microhenries, and C is 40 picofarads?E5A04What is the magnitude of the impedance of a parallel RLC circuit at resonance?E5A05What is the result of increasing the Q of an impedance-matching circuit?E5A06What is the magnitude of the circulating current within the components of a parallel LC circuit at resonance?E5A07What is the magnitude of the current at the input of a parallel RLC circuit at resonance?