Question

what is resonance? what is resonance
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Answer 1

$\huge\fbox{ANSWER❋}$

Resonance is the ability of system to move its electrons in the system.

Answer 2

$\bold \color{royalblue}{ANSWER - }$

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.