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

Peptidoglycans are composed of sugars and _____

Explain the literary element of theme in a story.

what is the volume of a pentagonal prism with a height of 28, length of 9, and apothem of 8?

The area of a triangle may be found by multiplying the height by one-half of the base. the area of a triangle is 21 square inches. if its base is 7 inches, find

Napoleon sold the Louisiana territory to the United States because he

A square mosaic is made of small glass squares. If there are 256 small squares in the mosaic how many are along an edge?

The most common form of taking notes while examining sources is

Shortly after the 9/11 terrorist attacks, president george w. bush issued an executive order allowing which agency to conduct secret surveillance without court

What gas diffuses faster helium or neon?

In a survey of 225 art students 28% reported that their favorite color is blue. What is the margin of error for the sample? a. 5% b. 7% c. 4%