Exam-style question
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What does a peak in a frequency response curve indicate about an LC circuit?.
- A.The circuit is filtering out all frequencies.
- B.The circuit is resonating at a specific frequency.
- C.The circuit has a constant gain across all frequencies.
- D.The circuit is not functioning properly.
Model answer
What a good answer should say
- The circuit is resonating at a specific frequency.
Explanation
Why this works
The peak in the frequency response curve shows that the circuit has maximum output at a particular frequency, indicating resonance. This implies that at this frequency, the circuit efficiently transfers energy, leading to a stronger signal.
Therefore, the conclusion is that resonance enhances signal processing in LC circuits.
Common mistake
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