Conversion formula for converting amplitude ratio (AR) into decibels is ________________?

Process Control and Instrumentation 20/11/2021

A. Decibel = 20 log10 (AR)
B. Decibel = 20 loge (AR)
C. Decibel = 20 log10 (AR)0.5
D. Decibel = 20 loge (AR)0.5

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