PLZZ answer this friends: what is resonance???
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Resonance, An object free to vibrate tends to do so at a specific rate called the object's natural, or resonant, frequency. ... By analogy, the term resonance is also used to describe the phenomenon by which an oscillating electric current is strengthened by an electric signal of a specific frequency.
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- In physics, resonance describes the phenomenon of increased amplitude that occurs when the frequency of a periodically applied force (or a Fourier component of it) is equal or close to a natural frequency of the system on which it acts.
- The result of resonance is always a big vibration - that is, a loud sound. ... The vibrations of the aluminum force the air column inside of the rod to vibrate at its natural frequency. The match between the vibrations of the air column and one of the natural frequencies of the singing rod causes resonance.
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