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

The sum of three numbers is 64. The second number is 3 more than the first. The third number is 11 less than twice the first. Find the numbers.

Eddie is 7 years older than Brian. If Brian is x years old, then how old was Eddie 11 years ago?

The quotient of a number and 5, minus 2,is 8.

Pollution is the only way that humans can cause changes to ecosystems. True or false?

Some people prefer interval training because A. the intensity of the exercise doesn't increase, only the time does.B. they can exercise at a steady, but sl

AB←→ is perpendicular to CD←→. How many 90° angles are formed by the intersection?

what is breaking apart of 6x6

PLEASE HELP MEthank you, and 15 points!!Gretchen and Ezia received equal scores on a test made up of multiple choice questions and an essay. Gretchen got 18 mul

Dave earns $150 per week plus 3.8% commission.he sold $4175.68 in the month of February. What is his gross monthly earning for february?

How to draw a smiley face on the graph using the Y= button on a graphing calculator