Capacitor Questions and Answers

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Showing 10 of 48 questions
Q41
What is the range between f1 and f2 of an RLC circuit that resonates at 150 kHz and has a Q of 30?
  • A 100.0 kHz to 155.0 kHz
  • B 147.5 kHz to 152.5 kHz
  • C 4500 kHz to 295.5 kHz
  • D 149,970 Hz to 150,030 Hz
Answer: Option B
Q42
What effect will a parallel tank have upon final filter current?
  • A very little
  • B The bandpass frequencies will change.
  • C The frequency cutoff will change.
  • D The impedance will block output.
Answer: Option A
Q43
When a parallel circuit resonates it is said to:
  • A flywheel
  • B oscillate
  • C both of the above
  • D none of the above
Answer: Option C
Q44
When a full band of frequencies is allowed to pass through a filter circuit to the output, the resonant circuit is called a:
  • A low-pass filter
  • B high-pass filter
  • C band-stop filter
  • D bandpass filter
Answer: Option D
Q45
At resonance, the term bandwidth includes all frequencies that allow what percentage of maximum current to flow?
  • A 50
  • B 62.3
  • C 70.7
  • D 95.3
Answer: Option C
Q46
What is the true power consumed in a 30 V series RLC circuit if Z = 20 ohms and R = 10 ohms?
  • A 15.0 watts
  • B 22.5 watts
  • C 30.0 watts
  • D 45.0 watts
Answer: Option B
Q47
What is the current phase angle for a parallel RLC circuit when IL = 15.3 A, IC = 0.43 A, and IR = 3.5 A?
  • A 76.7 degrees
  • B –4.25 degrees
  • C 88.8 degrees
  • D –76.7 degrees
Answer: Option D
Q48
At any resonant frequency, what voltage is measured across the two series reactive components?
  • A applied
  • B reactive
  • C zero
  • D inductive and capacitive
Answer: Option C

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