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G5B10
What percentage of power loss is equivalent to a loss of 1 dB?
Pick an answer to check it.
Answer: C. 20.6 percent
A 1 dB loss leaves 10^(-1/10) = 0.794 of the power, about 79.4 percent. The power lost is 100 - 79.4 = 20.6 percent.
Tip: 1 dB loss is about 20 percent gone.