what is amplitude of a sound??
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The maximum extent of a vibration or displacement of a sinusoidal (!) oscillation, measured from the position of equilibrium. Amplitude is the maximum absolute value of a periodically varying quantity.
2.The maximum difference of an alternating electrical current or potential from the average value.
2.The maximum difference of an alternating electrical current or potential from the average value.
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maximum distance moved by a body from mean to extreme position is called amplitude
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