Exam-style question
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Which of the following best describes the relationship between driving frequency and natural frequency in resonance?.
- A.They must be equal for resonance to occur.
- B.They must be different for resonance to occur.
- C.They have no relationship.
- D.They are always in phase.
Model answer
What a good answer should say
- They must be equal for resonance to occur.
Explanation
Why this works
For resonance to occur, the driving frequency must match the natural frequency of the system, resulting in maximum energy transfer and increased amplitude of oscillations.
Common mistake
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