RLC Series Circuit Analysis
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Questions and Answers

What is the formula for impedance in an RLC series circuit?

  • $Z=\sqrt{R^2 + (X_L + X_C)^2}$
  • $Z=\sqrt{R^2 - (X_L + X_C)^2}$
  • $Z=\sqrt{R^2 + (X_L - X_C)^2}$ (correct)
  • $Z=\sqrt{R^2 - (X_L - X_C)^2}$

    • What is the condition called when the impedance is minimum and equal to resistance in an RLC series circuit?

  • Series resonance condition (correct)
  • Inductive resonance condition
  • Parallel resonance condition
  • Capacitive resonance condition

    • What does the power factor, $\cos \phi$, represent in an RLC series circuit?

  • $\frac{1}{Z}$
  • $\frac{Z}{R}$
  • $\frac{R}{Z}$ (correct)
  • $\frac{1}{Y}$

    • What happens to inductive and capacitive reactance at series resonance in an RLC circuit?

    <p>They are equal in magnitude and opposite in direction</p> Signup and view all the answers

    What is the formula for admittance, Y, in an RLC series circuit?

    <p>$Y = \frac{1}{Z}$</p> Signup and view all the answers

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