Decibel

A circuit has an input power of 58 mW. Its output power is 6 mW. What is the loss in decibels?

Correct result:

x =  9.85 dB

Solution:

x=10log658=9.85 dB



We would be pleased if you find an error in the word problem, spelling mistakes, or inaccuracies and send it to us. Thank you!






Showing 0 comments:
avatar




Tips to related online calculators
Check out our ratio calculator.

You need to know the following knowledge to solve this word math problem:

Next similar math problems:

  • 75th percentile (quartille Q3)
    statistics Find 75th percentile for 30,42,42,46,46,46,50,50,54
  • Geometric progression 2
    exp_x There is geometric sequence with a1=5.7 and quotient q=-2.5. Calculate a17.
  • Quadratic equation
    kvadrat_2 Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
  • Linsys2
    linear_eq_3 Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144
  • Salary
    czk_koruna Mr. Vesely got for work 874 CZK (Czech Republic Koruna). Mr. Jaros got twice less than Mr. Vesely. How much CZK got Mr. Jaros?
  • Sequence
    mandlebrot Find the common ratio of the sequence -3, -1.5, -0.75, -0.375, -0.1875. Ratio write as decimal number rounded to tenth.
  • Reciprocal
    complex_numbers Calculate reciprocal of z=0.8-1.8i:
  • Logarithm
    log_hat Determine the number whose decimal logarithm is -3.8.
  • Wheelchair
    vozik The boy pushes the wheelchair with a force of F1 = 20N. The wheelchair exerts a force of F2 on the boy. How large is this force?
  • Intercept with axis
    log_10 F(x)=log(x+4)-2, what is the x intercept
  • Radioactivity
    radioactivity After 548 hours decreases the activity of a radioactive substance to 1/9 of the initial value. What is the half-life of the substance?
  • A steel
    hammer_1 A steel hammer with a weight of 0.5 kg hits the nail at a speed of 3 m/s. How deep the nail penetrates the wood if the hammer acts on the nail with an average force of 50N.
  • Log
    exp_log Calculate value of expression log |3 +7i +5i2| .
  • Locomotive
    locomotive_1 Locomotive pulled a train permanent load of 200 kN horizontally along the track of 5km. What work it done?
  • Ounce
    energy_1 749 calories in a 7 - ounce serving . What is the unit rate?
  • Gain
    solar Find the gain whenever the output power is 21x the input power.
  • Computer revolution
    Intel386 When we started playing with computers, the first processor, which I remember was the Intel 8080 from 1974, with the performance of 0.5 MIPS. Calculate how much percent a year rose CPU performance when Intel 486DX from 1992 has 54 MIPS. What wou