21.3 For the series circuit in Fig. 21.52: a) Find the value of X. for resonance. R= 100 A b) Determine the magnitude of the current I at resonance. 12 V Xc 2 k c) Find the voltages Ya, Yı, and yc at resonance, and compare their magnitudes. d) Determine the quality factor of the circuit. Is it a high- or low-Q circuit? e) If the resonant frequency is 5 kHz, determine the value of L and C. f) Find the bandwidth of the response if the resonant frequency is 5 kHz. 9) What are the low and high cutoff frequencies?

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**Educational Page: Analysis of a Series Resonant Circuit**

**Problem 21.3: For the series circuit depicted in Fig. 21.52:**

a) **Find the value of \(X_L\) for resonance.**

b) **Determine the magnitude of the current \(I\) at resonance.**

c) **Find the voltages \(V_R\), \(V_L\), and \(V_C\) at resonance, and compare their magnitudes.**

d) **Determine the quality factor of the circuit. Is it a high- or low-Q circuit?**

e) **If the resonant frequency is 5 kHz, determine the value of \(L\) and \(C\).**

f) **Find the bandwidth of the response if the resonant frequency is 5 kHz.**

g) **What are the low and high cutoff frequencies?**

---

**Figure Explanation:**

The schematic in Fig. 21.52 illustrates a series resonant circuit with the following components:

- A voltage source \(E = 12 \, \text{V}\)
- A resistor \(R = 100 \, \Omega\)
- An inductor with inductive reactance labeled as \(X_L\)
- A capacitor with capacitive reactance \(X_C = 2 \, \text{k}\Omega\)

Voltages across the resistor, inductor, and capacitor are noted as \(V_R\), \(V_L\), and \(V_C\) respectively, with current \(I\) flowing through the circuit.
Transcribed Image Text:**Educational Page: Analysis of a Series Resonant Circuit** **Problem 21.3: For the series circuit depicted in Fig. 21.52:** a) **Find the value of \(X_L\) for resonance.** b) **Determine the magnitude of the current \(I\) at resonance.** c) **Find the voltages \(V_R\), \(V_L\), and \(V_C\) at resonance, and compare their magnitudes.** d) **Determine the quality factor of the circuit. Is it a high- or low-Q circuit?** e) **If the resonant frequency is 5 kHz, determine the value of \(L\) and \(C\).** f) **Find the bandwidth of the response if the resonant frequency is 5 kHz.** g) **What are the low and high cutoff frequencies?** --- **Figure Explanation:** The schematic in Fig. 21.52 illustrates a series resonant circuit with the following components: - A voltage source \(E = 12 \, \text{V}\) - A resistor \(R = 100 \, \Omega\) - An inductor with inductive reactance labeled as \(X_L\) - A capacitor with capacitive reactance \(X_C = 2 \, \text{k}\Omega\) Voltages across the resistor, inductor, and capacitor are noted as \(V_R\), \(V_L\), and \(V_C\) respectively, with current \(I\) flowing through the circuit.
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