birdspotting8969 birdspotting8969

02-05-2018
Physics

contestada

An amplifier has a 50 watt output and a 5 watt input. what is the gain in decibels for this amplifier, rounded to the nearest decibel?

Respuesta :

14-05-2018

Gain in decibels is given by;

Gain db = 10*log (Po/Pi), where Po = Power output, Pin = Power input

Substituting;

Gain in db = 10 * log (50/5) = 10 db

Answer Link

Otras preguntas

Exercise 12.7 Cash dividends, stock dividends, and share splits L.O. 4

Write a recursive formula and an explicit formula for the following arithmetic sequence. 11, 13, 15, 17, 19, ... A recursive formula is a = INan=. (Simplify you

Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution. -x + 3y = 4 -7x + 12y = 12

33.Simplify the given expression (5+ v7) (2+v5)

The Battle of Antietam, September 17, 1862, is considered pivotal to the outcome of the Civil War because it:________.

What is the main reason writers must include citations for their sources? to get a good grade on their essays to show how impressive their research was to credi

Choose the number sentence whose product is 5.85. A. 1.7 x 3.5 B. 26 x 2.25 C. 4.5 x 2.3 D. 1.3 x 4.5

Why was the American victory at the Battle of Saratoga considered a turning point in the war?

what is the full form of IBM?

List and explain 3 mutations that allow cancer cells to occur