Ask Experts Questions for FREE Help !
Ask
    HAWKINSAR's Avatar
    HAWKINSAR Posts: 4, Reputation: 1
    New Member
     
    #1

    Feb 3, 2012, 10:36 AM
    Word problems?
    An Amplifier has a 50 watt output and a 5 watt input what is the gain in decibel?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
    Expert
     
    #2

    Feb 3, 2012, 10:42 AM
    Decibel gain is defines as 10 times the logarithm(base 10) of the ratio of output power to input power. So you have:



    Here you have P_out = 50W and P_in = 5w. You asked this question in a Middle School forum - so I have to ask if you are familiar with logarithms?

Not your question? Ask your question View similar questions

 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

Word Problems? [ 1 Answers ]

A hardware supplier manufactors three kinds of clamps, tye a,b,c. Production restrictions force it to make 20 more type c clamps that the total of the other types and three times as many type b as type a clamps. The shop must produce 500 clamps per day. How many of each type are made per day.

Word problems [ 12 Answers ]

If three times a number added to 4 is divided by the number plus 8, the result is eight thirds. Find the number

Word problems [ 2 Answers ]

A bicyclist traveling at 18 mph over takes an in-line skater who is traveling at 10 mph. From the stating point does the bicyclist overtake the in-line skater?:confused: A stamp collection consists of $.3, $.8, and $.13 stamps. The numberof $.8 stamps is three less than twice the number...

Word problems [ 1 Answers ]

Can somebody help me? I'm terrible at word problems and inequalities don't help. Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $110 of her medical bills, plus 40% of the rest. Under plan B, Giselle would pay the first $190, but only 25% of the rest....

Word Problems [ 1 Answers ]

Now that I finally understand functions and how they work, I have one more question about them. I apologize in advance if this is a repeat question. The question is 2 cars are leaving at a difference of 3 hours. The first car is written as d(t)=50t t represents the time in hours, and 50 is the...


View more questions Search