Which statement is accurate about the impedance of a series R L C circuit at the
ID: 2085363 • Letter: W
Question
Which statement is accurate about the impedance of a series RLC circuit at the resonant frequency?
c) The impedance of a series RLC circuit is maximum in magnitude at the resonant frequency and is equal to the resistance.
a) The impedance of a series RLC circuit is maximum in magnitude at the resonant frequency and is equal to the sum of the resistance and reactance. b) The impedance of a series RLC circuit is minimum in magnitude at the resonant frequency and is equal to the sum of the resistance and reactance.c) The impedance of a series RLC circuit is maximum in magnitude at the resonant frequency and is equal to the resistance.
d) The impedance of a series RLC circuit is minimum in magnitude at the resonant frequency and is equal to the resistance.Explanation / Answer
Answer: D.The impedance of a series RLC Circuit is minimum in magnitude at the resonant frequency and is equal to the resistance.
Reason: impedance is minimum at resonance simply to resistance R and equal to the resistance.Impedance of series RLC circuit during resonance condition known as "Dynamic impedance" often based on frequency.
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