Donathan60771 Donathan60771
  • 14-09-2019
  • Physics
contestada

A machine is capable of a power output of 10 W+/-3 dB. What is the possible power fluctuation?

Respuesta :

ConcepcionPetillo ConcepcionPetillo
  • 24-09-2019

Answer:

The possible value of power fluctuation is 3.9811 W

Solution:

As per the question:

Power output, P = 10 W

Power fluctuation is from +3 dB to -3 dB

Therefore,

Power fluctuation in dB = 6 dB

Now,

P (in dB) = [tex]10log_{10}P'[/tex]

6 dB = [tex]10log_{10}P'[/tex]

[tex]0.6 = log_{10}P'[/tex]

[tex]P' = 10^{0.6} W = 3.9811 W[/tex]

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