An amplitude ratio of 0.1 corresponds to _____________ de... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

An amplitude ratio of 0.1 corresponds to _____________ decibels?

Correct answer: B

Explanation

The formula for power ratio in decibels is 20 * log10(amplitude ratio). For an amplitude ratio of 0.1, this equals -20 dB.

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