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mixer [17]
3 years ago
11

For evolution to occur in a population there must be _______. no new mutations heritable variation among individuals in the popu

lation an unchanging environment artificial selection
Engineering
1 answer:
Anna007 [38]3 years ago
8 0

Answer:

The correct answer is letter "B": heritable variation among individuals in the population.

Explanation:

According to the natural selection theory, greatly spread after Charles Darwin's research, four (4) conditions are needed for it to take place: <em>reproductions, heredity, variation in organisms, </em>and <em>variation among individuals in the population</em>. Only in the case the four conditions are met, natural selection occurs.

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An incoming signal is at a frequency of 500kHz. This signal needs to be acquired and all other signals attenuated. Design a pass
Finger [1]

Answer:

C_h = 0.166 nF

C_L = 0.153 nF  

Explanation:

Given:

- Ideal frequency f_o = 500 KHz

- Bandwidth of frequency BW = 40 KHz

- The resistance identical to both low and high pass filter = 2 Kohms

Find:

Design a passive band-pass filter to do this by cascading a low and high pass filter.

Solution:

- First determine the cut-off frequencies f_c for each filter:

           f_c,L for High pass filter:

                f_c,L = f_o - BW/2 = 500 - 40/2

                f_c,L = 480 KHz

          f_c,h for Low pass filter:

                f_c,h = f_o + BW/2 = 500 + 40/2

                f_c,h = 520 KHz

- Now use the design formula for R-C circuit for each filter:

           General design formula:

                 f_c = 1 /2*pi*R*C_i

           C,h for High pass filter:

                  C_h = 1 /2*pi*R*f_c,L

                  C_h = 1 /2*pi*2000*480,000

                  C_h = 0.166 nF          

           C,L for Low pass filter:

                  C_L = 1 /2*pi*R*f_c,h

                  C_L = 1 /2*pi*2000*520,000

                  C_L = 0.153 nF          

7 0
3 years ago
Realize the function f(a, b, c, d, e) = Σ m(6, 7, 9, 11, 12, 13, 16, 17, 18, 20, 21, 23, 25, 28)using a 16-to-1 MUX with control
NNADVOKAT [17]

Answer:

See explaination

Explanation:

please see attachment for the detailed diagram used in solving the given problem.

It is attached as an attachment.

7 0
3 years ago
Which situation would benefit the most by using edge computing?
vladimir1956 [14]

The situation which benefits the most by using edge computing is provided in the below portion.

  • Whenever data are processed near to the origination as well as traffic is prioritized the border computers minimize this same quantity of data that travel from there to the core network, thereby channel bandwidth and performance altogether.
  • The accomplishment or success also requires the physical separation or communication links.

Learn more about edge computing:

brainly.com/question/23858023

3 0
3 years ago
The parts of a feature control frame are the tolerance value, the datum references, and the
Elan Coil [88]

Answer:

d

Explanation:

4 0
4 years ago
What year did Vidal Sassoon come to America ?
tekilochka [14]

Answer:

1970

Explanation:

the answer must enough 20 character, so I...

3 0
3 years ago
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