Login or Register for FREE!
Subelement D
Circuits
Section 29
R-L-C Circuits
What is the approximate magnitude of the impedance of a parallel R-L-C circuit at resonance?
  • Correct Answer
    Approximately equal to the circuit resistance.
  • Approximately equal to XL.
  • Low, as compared to the circuit resistance.
  • Approximately equal to XC.
This question does not yet have an explanation! Register to add one

Tags: none

What is the approximate magnitude of the impedance of a series R-L-C circuit at resonance?
  • High, as compared to the circuit resistance.
  • Correct Answer
    Approximately equal to the circuit resistance.
  • Approximately equal to XL.
  • Approximately equal to XC.
This question does not yet have an explanation! Register to add one

Tags: none

How could voltage be greater across reactances in series than the applied voltage?
  • Resistance.
  • Conductance.
  • Capacitance.
  • Correct Answer
    Resonance.
This question does not yet have an explanation! Register to add one

Tags: none

What is the characteristic of the current flow in a series R-L-C circuit at resonance?
  • Correct Answer
    Maximum.
  • Minimum.
  • DC.
  • Zero.
This question does not yet have an explanation! Register to add one

Tags: none

What is the characteristic of the current flow within the parallel elements in a parallel R-L-C circuit at resonance?
  • Minimum.
  • Correct Answer
    Maximum.
  • DC.
  • Zero.
This question does not yet have an explanation! Register to add one

Tags: none

What is the relationship between current through a resonant circuit and the voltage across the circuit?
  • The current and voltage are 180 degrees out of phase.
  • The current leads the voltage by 90 degrees.
  • Correct Answer
    The voltage and current are in phase.
  • The voltage leads the current by 90 degrees.
This question does not yet have an explanation! Register to add one

Tags: none

Go to 28 Go to 33