RLC Circuits and Resonance Questions and Answers

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Q11
If the bandwidth of a filter increases:
  • A Q decreases
  • B the roll-off rate increases
  • C the half-power frequency decreases
  • D the center frequency decreases
Answer: Option A
Q12
Which statement best describes reactance in a series RLC circuit?
  • A Capacitive reactance is always dominant.
  • B Inductive reactance is always dominant.
  • C Resistance is always dominant.
  • D The larger of the two reactances is dominant.
Answer: Option D
Q13
Voltage lags current in an RLC circuit when it acts:
  • A capacitively
  • B resistively
  • C inductively
  • D resonantly
Answer: Option A
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