A change in power from 2 mW to 17 mW corresponds to approximately ________ decibels.
A) 3
B) 9
C) 12
D) 20

Name: A change in power from 2 mW to 17 mW corresponds to approximately ________ decibels. A) 3 B) 9 C) 12 D) 20
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Question

Quizplus · Accepted Answer

The change in power in decibels (dB) can be calculated using the formula: dB = 10 * log10(P2/P1), where P2 is the final power and P1 is the initial power. Substituting the given values, dB = 10 * log10(17/2) ≈ 9.3 dB. Therefore, the closest answer is 9 dB.

A Change in Power from 2 MW to 17 MW