alleryResonance is described as a phenomenon that is:
ALimited to inductors
BCommon to many systems
CUnique to ac circuits
DFound only in radios
Answer & Solution
Correct answer: B. Common to many systems
1. Swings, bridges and instruments all show it.
2. The text notes it well beyond electric circuits.
3. Resonance is common among many systems.
4. So the answer is common to many systems.
_Source: syllabus Physics, Ch 7 'Alternating Current'_
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