# Decibel

A circuit has an input power of 58 mW. Its output power is 6 mW. What is the loss in decibels?

Result

x =  9.85 dB

#### Solution:

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Be the first to comment!

## Next similar examples:

1. Gain
Find the gain whenever the output power is 21x the input power.
2. Sequence
Find the common ratio of the sequence -3, -1.5, -0.75, -0.375, -0.1875. Ratio write as decimal number rounded to tenth.
3. Logarithm
Determine the number whose decimal logarithm is -3.8.
4. Elevator
In homes with more floor elevators are used. For passenger transport, the most commonly used traction elevator counterweight. The top of the shaft engine room with the engine. The car is suspended on a rope, which is guided up over two pulleys to the count
5. Ounce
749 calories in a 7 - ounce serving . What is the unit rate?
6. Theorem prove
We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
7. Intercept with axis
F(x)=log(x+4)-2, what is the x intercept
8. Dividing money
Imrich, Daniel and Dezider shared an unknown amount in the ratio 1:2:4, where Dezider received 750 euros more than Imrich and Daniel got half as much as Dezider. Determine an unknown amount of money and determine the amounth that got Imrich, Daniel and De
9. Reciprocal
Calculate reciprocal of z=0.8+0.6i:
10. Trinity
How many different triads can be selected from the group 43 students?
11. Sequence 3
Write the first 5 members of an arithmetic sequence: a4=-35, a11=-105.
12. Sequence
Between numbers 1 and 53 insert n members of the arithmetic sequence that its sum is 702.
13. Doctors
In the city operates 171 doctors. The city has 128934 citizens. How many citizens are per one doctor?
14. 75th percentile (quartille Q3)
Find 75th percentile for 30,42,42,46,46,46,50,50,54
15. Chebyshev formula
To estimate the number of primes less than x is used Chebyshev formula: ? Estimate the number of primes less than 30300537.
16. Fish tank
A fish tank at a pet store has 8 zebra fish. In how many different ways can George choose 2 zebra fish to buy?
17. The confectionery
The confectionery sold 5 kinds of ice cream. In how many ways can I buy 3 kinds if order of ice creams does not matter?