Show your work clearly in PDF file, use the information provided below to calculate how much loss is there (in dB) in the unknown component?

Assignment

Show your work clearly in PDF file,

A fiber system has 4 components between the transmitter and receiver. Three have losses of 3 and 5dB and 6dB respectively and the last has a loss that is unknown. The transmitter has a power output of 5mW. The received power is equal to 5nW.

How much loss is there (in dB) in the unknown component?

Show your work clearly in PDF file, use the information provided below to calculate how much loss is there (in dB) in the unknown component?
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