An amplifier produces an output of 7 volts when the input signal is 0.15 volt. Find the decibel voltage gain. Round to the nearest whole number.
?

A. 17 db
B. 33 db
C. 77 db
D. 50 db
E. 38 db

Answer: B

Mathematics

You might also like to view...

Use a calculator to approximate to three decimal places.

A. 1.300 B. 0.013 C. 0.001 D. 0.13

View
Mathematics

Solve. Write your answer in simplest form.A nail 3 inches long is driven into a board 2 inches thick. How much of the nail protrudes from the other side of the board?

A. 2 inches
B.  inch
C.  inch
D. 1 inches

View
Mathematics

Evaluate the sum. Round to the nearest hundredth, if necessary.

A. 86 B. 35 C. 93 D. 66

View
Mathematics

Solve the problem.Suppose the following matrix represents the input-output matrix of a primitive economy. How much of each commodity should be produced to produce 5 bushels of yams and 1 pigs?

A.
X = 

B.
X = 
C.
X = 
D.
X = 

View
Mathematics